Home / 284,821.20-393,045.48-157,492.44

Finding the Fourth Proportional to 284,821.20, 393,045.48 and 157,492.44

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Solution

The fourth proportional to 284,821.20, 393,045.48 and 157,492.44 is: 217,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,821.20 : 393,045.48 = 157,492.44 : x
  2. Step 2: Convert to fraction form
    284,821.20/393,045.48 = 157,492.44/x
  3. Step 3: Cross multiply
    284,821.20x = 393,045.48 × 157,492.44
  4. Step 4: Simplify right side
    284,821.20x = 61,901,691,676.17
  5. Step 5: Solve for x
    x = 61,901,691,676.17/284,821.20
  6. Step 6: Final answer
    x = 217,335.27

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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.