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Finding the Fourth Proportional to 453,700.35, 680,156.73 and 228,872.97

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Solution

The fourth proportional to 453,700.35, 680,156.73 and 228,872.97 is: 343,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,700.35 : 680,156.73 = 228,872.97 : x
  2. Step 2: Convert to fraction form
    453,700.35/680,156.73 = 228,872.97/x
  3. Step 3: Cross multiply
    453,700.35x = 680,156.73 × 228,872.97
  4. Step 4: Simplify right side
    453,700.35x = 155,669,490,860.59
  5. Step 5: Solve for x
    x = 155,669,490,860.59/453,700.35
  6. Step 6: Final answer
    x = 343,110.80

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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.