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Finding the Fourth Proportional to 453,731.49, 680,699.67 and 150,124.98

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Solution

The fourth proportional to 453,731.49, 680,699.67 and 150,124.98 is: 225,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,731.49 : 680,699.67 = 150,124.98 : x
  2. Step 2: Convert to fraction form
    453,731.49/680,699.67 = 150,124.98/x
  3. Step 3: Cross multiply
    453,731.49x = 680,699.67 × 150,124.98
  4. Step 4: Simplify right side
    453,731.49x = 102,190,024,344.76
  5. Step 5: Solve for x
    x = 102,190,024,344.76/453,731.49
  6. Step 6: Final answer
    x = 225,221.36

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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.