Home / 510,272.86-704,150.31-280,851.92

Finding the Fourth Proportional to 510,272.86, 704,150.31 and 280,851.92

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Solution

The fourth proportional to 510,272.86, 704,150.31 and 280,851.92 is: 387,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,272.86 : 704,150.31 = 280,851.92 : x
  2. Step 2: Convert to fraction form
    510,272.86/704,150.31 = 280,851.92/x
  3. Step 3: Cross multiply
    510,272.86x = 704,150.31 × 280,851.92
  4. Step 4: Simplify right side
    510,272.86x = 197,761,968,296.26
  5. Step 5: Solve for x
    x = 197,761,968,296.26/510,272.86
  6. Step 6: Final answer
    x = 387,561.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.