Home / 230,538-345,807-64,326

Finding the Fourth Proportional to 230,538, 345,807 and 64,326

Calculator

Solution

The fourth proportional to 230,538, 345,807 and 64,326 is: 96,489

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,538 : 345,807 = 64,326 : x
  2. Step 2: Convert to fraction form
    230,538/345,807 = 64,326/x
  3. Step 3: Cross multiply
    230,538x = 345,807 × 64,326
  4. Step 4: Simplify right side
    230,538x = 22,244,381,082
  5. Step 5: Solve for x
    x = 22,244,381,082/230,538
  6. Step 6: Final answer
    x = 96,489

Related Problems

Find fourth proportional to 115,269, 172,903.50 and 32,163
Half scale
Find fourth proportional to 461,076, 691,614 and 128,652
Double scale
Find fourth proportional to 230,539, 345,808.50 and 64,327
Similar ratio
Find fourth proportional to 345,807, 518,710.50 and 96,489
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.