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Finding the Fourth Proportional to 255,037.57, 382,577.76 and 77,546.12

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Solution

The fourth proportional to 255,037.57, 382,577.76 and 77,546.12 is: 116,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,037.57 : 382,577.76 = 77,546.12 : x
  2. Step 2: Convert to fraction form
    255,037.57/382,577.76 = 77,546.12/x
  3. Step 3: Cross multiply
    255,037.57x = 382,577.76 × 77,546.12
  4. Step 4: Simplify right side
    255,037.57x = 29,667,418,973.40
  5. Step 5: Solve for x
    x = 29,667,418,973.40/255,037.57
  6. Step 6: Final answer
    x = 116,325.68

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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.