Home / 426,073.47-639,062.99-152,508.75

Finding the Fourth Proportional to 426,073.47, 639,062.99 and 152,508.75

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Solution

The fourth proportional to 426,073.47, 639,062.99 and 152,508.75 is: 228,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,073.47 : 639,062.99 = 152,508.75 : x
  2. Step 2: Convert to fraction form
    426,073.47/639,062.99 = 152,508.75/x
  3. Step 3: Cross multiply
    426,073.47x = 639,062.99 × 152,508.75
  4. Step 4: Simplify right side
    426,073.47x = 97,462,693,913.62
  5. Step 5: Solve for x
    x = 97,462,693,913.62/426,073.47
  6. Step 6: Final answer
    x = 228,746.22

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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.