Home / 284,157.82-392,136.98-156,832.50

Finding the Fourth Proportional to 284,157.82, 392,136.98 and 156,832.50

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Solution

The fourth proportional to 284,157.82, 392,136.98 and 156,832.50 is: 216,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,157.82 : 392,136.98 = 156,832.50 : x
  2. Step 2: Convert to fraction form
    284,157.82/392,136.98 = 156,832.50/x
  3. Step 3: Cross multiply
    284,157.82x = 392,136.98 × 156,832.50
  4. Step 4: Simplify right side
    284,157.82x = 61,499,822,915.85
  5. Step 5: Solve for x
    x = 61,499,822,915.85/284,157.82
  6. Step 6: Final answer
    x = 216,428.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.