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Finding the Fourth Proportional to 618,602, 927,903 and 151,658

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Solution

The fourth proportional to 618,602, 927,903 and 151,658 is: 227,487

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,602 : 927,903 = 151,658 : x
  2. Step 2: Convert to fraction form
    618,602/927,903 = 151,658/x
  3. Step 3: Cross multiply
    618,602x = 927,903 × 151,658
  4. Step 4: Simplify right side
    618,602x = 140,723,913,174
  5. Step 5: Solve for x
    x = 140,723,913,174/618,602
  6. Step 6: Final answer
    x = 227,487

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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.