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Finding the Fourth Proportional to 611,152.62, 916,777.92 and 232,254.90

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Solution

The fourth proportional to 611,152.62, 916,777.92 and 232,254.90 is: 348,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,152.62 : 916,777.92 = 232,254.90 : x
  2. Step 2: Convert to fraction form
    611,152.62/916,777.92 = 232,254.90/x
  3. Step 3: Cross multiply
    611,152.62x = 916,777.92 × 232,254.90
  4. Step 4: Simplify right side
    611,152.62x = 212,926,164,131.81
  5. Step 5: Solve for x
    x = 212,926,164,131.81/611,152.62
  6. Step 6: Final answer
    x = 348,400.97

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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.