Home / 209,355.14-288,985.25-124,472

Finding the Fourth Proportional to 209,355.14, 288,985.25 and 124,472

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Solution

The fourth proportional to 209,355.14, 288,985.25 and 124,472 is: 171,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,355.14 : 288,985.25 = 124,472 : x
  2. Step 2: Convert to fraction form
    209,355.14/288,985.25 = 124,472/x
  3. Step 3: Cross multiply
    209,355.14x = 288,985.25 × 124,472
  4. Step 4: Simplify right side
    209,355.14x = 35,970,572,038
  5. Step 5: Solve for x
    x = 35,970,572,038/209,355.14
  6. Step 6: Final answer
    x = 171,816.04

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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.