Home / 284,865.25-393,080.01-157,523.53

Finding the Fourth Proportional to 284,865.25, 393,080.01 and 157,523.53

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Solution

The fourth proportional to 284,865.25, 393,080.01 and 157,523.53 is: 217,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,865.25 : 393,080.01 = 157,523.53 : x
  2. Step 2: Convert to fraction form
    284,865.25/393,080.01 = 157,523.53/x
  3. Step 3: Cross multiply
    284,865.25x = 393,080.01 × 157,523.53
  4. Step 4: Simplify right side
    284,865.25x = 61,919,350,747.64
  5. Step 5: Solve for x
    x = 61,919,350,747.64/284,865.25
  6. Step 6: Final answer
    x = 217,363.65

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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.