Home / 219,915.10-329,872.65-194,545.90

Finding the Fourth Proportional to 219,915.10, 329,872.65 and 194,545.90

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Solution

The fourth proportional to 219,915.10, 329,872.65 and 194,545.90 is: 291,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,915.10 : 329,872.65 = 194,545.90 : x
  2. Step 2: Convert to fraction form
    219,915.10/329,872.65 = 194,545.90/x
  3. Step 3: Cross multiply
    219,915.10x = 329,872.65 × 194,545.90
  4. Step 4: Simplify right side
    219,915.10x = 64,175,371,579.64
  5. Step 5: Solve for x
    x = 64,175,371,579.64/219,915.10
  6. Step 6: Final answer
    x = 291,818.85

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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.