Home / 450,915.48-676,213.70-131,000.81

Finding the Fourth Proportional to 450,915.48, 676,213.70 and 131,000.81

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Solution

The fourth proportional to 450,915.48, 676,213.70 and 131,000.81 is: 196,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,915.48 : 676,213.70 = 131,000.81 : x
  2. Step 2: Convert to fraction form
    450,915.48/676,213.70 = 131,000.81/x
  3. Step 3: Cross multiply
    450,915.48x = 676,213.70 × 131,000.81
  4. Step 4: Simplify right side
    450,915.48x = 88,584,538,397.02
  5. Step 5: Solve for x
    x = 88,584,538,397.02/450,915.48
  6. Step 6: Final answer
    x = 196,454.86

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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.