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Finding the Fourth Proportional to 151,700, 227,550 and 40,892

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Solution

The fourth proportional to 151,700, 227,550 and 40,892 is: 61,338

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,700 : 227,550 = 40,892 : x
  2. Step 2: Convert to fraction form
    151,700/227,550 = 40,892/x
  3. Step 3: Cross multiply
    151,700x = 227,550 × 40,892
  4. Step 4: Simplify right side
    151,700x = 9,304,974,600
  5. Step 5: Solve for x
    x = 9,304,974,600/151,700
  6. Step 6: Final answer
    x = 61,338

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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.