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Finding the Fourth Proportional to 442,296.72, 662,972.16 and 252,347.88

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Solution

The fourth proportional to 442,296.72, 662,972.16 and 252,347.88 is: 378,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,296.72 : 662,972.16 = 252,347.88 : x
  2. Step 2: Convert to fraction form
    442,296.72/662,972.16 = 252,347.88/x
  3. Step 3: Cross multiply
    442,296.72x = 662,972.16 × 252,347.88
  4. Step 4: Simplify right side
    442,296.72x = 167,299,619,075.02
  5. Step 5: Solve for x
    x = 167,299,619,075.02/442,296.72
  6. Step 6: Final answer
    x = 378,252.00

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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.