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Finding the Fourth Proportional to 238,048.61, 357,245.51 and 88,310.25

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Solution

The fourth proportional to 238,048.61, 357,245.51 and 88,310.25 is: 132,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,048.61 : 357,245.51 = 88,310.25 : x
  2. Step 2: Convert to fraction form
    238,048.61/357,245.51 = 88,310.25/x
  3. Step 3: Cross multiply
    238,048.61x = 357,245.51 × 88,310.25
  4. Step 4: Simplify right side
    238,048.61x = 31,548,439,857.93
  5. Step 5: Solve for x
    x = 31,548,439,857.93/238,048.61
  6. Step 6: Final answer
    x = 132,529.40

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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.