Home / 426,114.47-639,150.95-159,854.24

Finding the Fourth Proportional to 426,114.47, 639,150.95 and 159,854.24

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Solution

The fourth proportional to 426,114.47, 639,150.95 and 159,854.24 is: 239,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,114.47 : 639,150.95 = 159,854.24 : x
  2. Step 2: Convert to fraction form
    426,114.47/639,150.95 = 159,854.24/x
  3. Step 3: Cross multiply
    426,114.47x = 639,150.95 × 159,854.24
  4. Step 4: Simplify right side
    426,114.47x = 102,170,991,355.04
  5. Step 5: Solve for x
    x = 102,170,991,355.04/426,114.47
  6. Step 6: Final answer
    x = 239,773.58

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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.