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Finding the Fourth Proportional to 357,977.48, 536,956.56 and 88,108.02

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Solution

The fourth proportional to 357,977.48, 536,956.56 and 88,108.02 is: 132,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,977.48 : 536,956.56 = 88,108.02 : x
  2. Step 2: Convert to fraction form
    357,977.48/536,956.56 = 88,108.02/x
  3. Step 3: Cross multiply
    357,977.48x = 536,956.56 × 88,108.02
  4. Step 4: Simplify right side
    357,977.48x = 47,310,179,327.61
  5. Step 5: Solve for x
    x = 47,310,179,327.61/357,977.48
  6. Step 6: Final answer
    x = 132,159.65

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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.