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Finding the Fourth Proportional to 176,376.78, 264,488.62 and 64,019.66

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Solution

The fourth proportional to 176,376.78, 264,488.62 and 64,019.66 is: 96,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,376.78 : 264,488.62 = 64,019.66 : x
  2. Step 2: Convert to fraction form
    176,376.78/264,488.62 = 64,019.66/x
  3. Step 3: Cross multiply
    176,376.78x = 264,488.62 × 64,019.66
  4. Step 4: Simplify right side
    176,376.78x = 16,932,471,526.27
  5. Step 5: Solve for x
    x = 16,932,471,526.27/176,376.78
  6. Step 6: Final answer
    x = 96,001.70

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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.