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Finding the Fourth Proportional to 357,037.60, 534,893.68 and 255,626.40

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Solution

The fourth proportional to 357,037.60, 534,893.68 and 255,626.40 is: 382,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,037.60 : 534,893.68 = 255,626.40 : x
  2. Step 2: Convert to fraction form
    357,037.60/534,893.68 = 255,626.40/x
  3. Step 3: Cross multiply
    357,037.60x = 534,893.68 × 255,626.40
  4. Step 4: Simplify right side
    357,037.60x = 136,732,945,801.15
  5. Step 5: Solve for x
    x = 136,732,945,801.15/357,037.60
  6. Step 6: Final answer
    x = 382,965.12

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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.