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Finding the Fourth Proportional to 328,446.66, 492,670.08 and 151,102.92

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Solution

The fourth proportional to 328,446.66, 492,670.08 and 151,102.92 is: 226,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,446.66 : 492,670.08 = 151,102.92 : x
  2. Step 2: Convert to fraction form
    328,446.66/492,670.08 = 151,102.92/x
  3. Step 3: Cross multiply
    328,446.66x = 492,670.08 × 151,102.92
  4. Step 4: Simplify right side
    328,446.66x = 74,443,887,684.63
  5. Step 5: Solve for x
    x = 74,443,887,684.63/328,446.66
  6. Step 6: Final answer
    x = 226,654.42

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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.