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Finding the Fourth Proportional to 452,328.96, 624,202.56 and 251,112

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Solution

The fourth proportional to 452,328.96, 624,202.56 and 251,112 is: 346,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,328.96 : 624,202.56 = 251,112 : x
  2. Step 2: Convert to fraction form
    452,328.96/624,202.56 = 251,112/x
  3. Step 3: Cross multiply
    452,328.96x = 624,202.56 × 251,112
  4. Step 4: Simplify right side
    452,328.96x = 156,744,753,246.72
  5. Step 5: Solve for x
    x = 156,744,753,246.72/452,328.96
  6. Step 6: Final answer
    x = 346,528.23

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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.