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Finding the Fourth Proportional to 459,002.60, 688,503.90 and 122,042.60

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Solution

The fourth proportional to 459,002.60, 688,503.90 and 122,042.60 is: 183,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,002.60 : 688,503.90 = 122,042.60 : x
  2. Step 2: Convert to fraction form
    459,002.60/688,503.90 = 122,042.60/x
  3. Step 3: Cross multiply
    459,002.60x = 688,503.90 × 122,042.60
  4. Step 4: Simplify right side
    459,002.60x = 84,026,806,066.14
  5. Step 5: Solve for x
    x = 84,026,806,066.14/459,002.60
  6. Step 6: Final answer
    x = 183,063.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.