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Finding the Fourth Proportional to 437,333.30, 656,259.15 and 288,001.70

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Solution

The fourth proportional to 437,333.30, 656,259.15 and 288,001.70 is: 432,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,333.30 : 656,259.15 = 288,001.70 : x
  2. Step 2: Convert to fraction form
    437,333.30/656,259.15 = 288,001.70/x
  3. Step 3: Cross multiply
    437,333.30x = 656,259.15 × 288,001.70
  4. Step 4: Simplify right side
    437,333.30x = 189,003,750,840.56
  5. Step 5: Solve for x
    x = 189,003,750,840.56/437,333.30
  6. Step 6: Final answer
    x = 432,173.24

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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.