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Finding the Fourth Proportional to 618,598, 927,897 and 151,654

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Solution

The fourth proportional to 618,598, 927,897 and 151,654 is: 227,481

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,598 : 927,897 = 151,654 : x
  2. Step 2: Convert to fraction form
    618,598/927,897 = 151,654/x
  3. Step 3: Cross multiply
    618,598x = 927,897 × 151,654
  4. Step 4: Simplify right side
    618,598x = 140,719,291,638
  5. Step 5: Solve for x
    x = 140,719,291,638/618,598
  6. Step 6: Final answer
    x = 227,481

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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.