Home / 402,246.03-603,397.85-121,785.15

Finding the Fourth Proportional to 402,246.03, 603,397.85 and 121,785.15

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Solution

The fourth proportional to 402,246.03, 603,397.85 and 121,785.15 is: 182,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,246.03 : 603,397.85 = 121,785.15 : x
  2. Step 2: Convert to fraction form
    402,246.03/603,397.85 = 121,785.15/x
  3. Step 3: Cross multiply
    402,246.03x = 603,397.85 × 121,785.15
  4. Step 4: Simplify right side
    402,246.03x = 73,484,897,063.00
  5. Step 5: Solve for x
    x = 73,484,897,063.00/402,246.03
  6. Step 6: Final answer
    x = 182,686.44

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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.