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Finding the Fourth Proportional to 453,031.70, 680,072.49 and 243,079.70

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Solution

The fourth proportional to 453,031.70, 680,072.49 and 243,079.70 is: 364,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,031.70 : 680,072.49 = 243,079.70 : x
  2. Step 2: Convert to fraction form
    453,031.70/680,072.49 = 243,079.70/x
  3. Step 3: Cross multiply
    453,031.70x = 680,072.49 × 243,079.70
  4. Step 4: Simplify right side
    453,031.70x = 165,311,816,847.45
  5. Step 5: Solve for x
    x = 165,311,816,847.45/453,031.70
  6. Step 6: Final answer
    x = 364,901.21

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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.