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Finding the Fourth Proportional to 437,547.60, 656,321.40 and 188,715.60

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Solution

The fourth proportional to 437,547.60, 656,321.40 and 188,715.60 is: 283,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,547.60 : 656,321.40 = 188,715.60 : x
  2. Step 2: Convert to fraction form
    437,547.60/656,321.40 = 188,715.60/x
  3. Step 3: Cross multiply
    437,547.60x = 656,321.40 × 188,715.60
  4. Step 4: Simplify right side
    437,547.60x = 123,858,086,793.84
  5. Step 5: Solve for x
    x = 123,858,086,793.84/437,547.60
  6. Step 6: Final answer
    x = 283,073.40

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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.