Home / 319,166.02-478,765.43-82,510.75

Finding the Fourth Proportional to 319,166.02, 478,765.43 and 82,510.75

Calculator

Solution

The fourth proportional to 319,166.02, 478,765.43 and 82,510.75 is: 123,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,166.02 : 478,765.43 = 82,510.75 : x
  2. Step 2: Convert to fraction form
    319,166.02/478,765.43 = 82,510.75/x
  3. Step 3: Cross multiply
    319,166.02x = 478,765.43 × 82,510.75
  4. Step 4: Simplify right side
    319,166.02x = 39,503,294,703.37
  5. Step 5: Solve for x
    x = 39,503,294,703.37/319,166.02
  6. Step 6: Final answer
    x = 123,770.36

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.