Home / 319,036.20-478,439.10-161,212.20

Finding the Fourth Proportional to 319,036.20, 478,439.10 and 161,212.20

Calculator

Solution

The fourth proportional to 319,036.20, 478,439.10 and 161,212.20 is: 241,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,036.20 : 478,439.10 = 161,212.20 : x
  2. Step 2: Convert to fraction form
    319,036.20/478,439.10 = 161,212.20/x
  3. Step 3: Cross multiply
    319,036.20x = 478,439.10 × 161,212.20
  4. Step 4: Simplify right side
    319,036.20x = 77,130,219,877.02
  5. Step 5: Solve for x
    x = 77,130,219,877.02/319,036.20
  6. Step 6: Final answer
    x = 241,760.09

Related Problems

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.