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Finding the Fourth Proportional to 452,264.96, 624,101.28 and 251,048

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Solution

The fourth proportional to 452,264.96, 624,101.28 and 251,048 is: 346,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,264.96 : 624,101.28 = 251,048 : x
  2. Step 2: Convert to fraction form
    452,264.96/624,101.28 = 251,048/x
  3. Step 3: Cross multiply
    452,264.96x = 624,101.28 × 251,048
  4. Step 4: Simplify right side
    452,264.96x = 156,679,378,141.44
  5. Step 5: Solve for x
    x = 156,679,378,141.44/452,264.96
  6. Step 6: Final answer
    x = 346,432.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.