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Finding the Fourth Proportional to 328,752.72, 492,464.52 and 253,612.98

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Solution

The fourth proportional to 328,752.72, 492,464.52 and 253,612.98 is: 379,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,752.72 : 492,464.52 = 253,612.98 : x
  2. Step 2: Convert to fraction form
    328,752.72/492,464.52 = 253,612.98/x
  3. Step 3: Cross multiply
    328,752.72x = 492,464.52 × 253,612.98
  4. Step 4: Simplify right side
    328,752.72x = 124,895,394,461.47
  5. Step 5: Solve for x
    x = 124,895,394,461.47/328,752.72
  6. Step 6: Final answer
    x = 379,906.80

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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.