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Finding the Fourth Proportional to 360,945.30, 540,251.55 and 281,630.10

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Solution

The fourth proportional to 360,945.30, 540,251.55 and 281,630.10 is: 421,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,945.30 : 540,251.55 = 281,630.10 : x
  2. Step 2: Convert to fraction form
    360,945.30/540,251.55 = 281,630.10/x
  3. Step 3: Cross multiply
    360,945.30x = 540,251.55 × 281,630.10
  4. Step 4: Simplify right side
    360,945.30x = 152,151,098,051.66
  5. Step 5: Solve for x
    x = 152,151,098,051.66/360,945.30
  6. Step 6: Final answer
    x = 421,535.06

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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.