Home / 284,900.66-393,136.50-157,573.52

Finding the Fourth Proportional to 284,900.66, 393,136.50 and 157,573.52

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Solution

The fourth proportional to 284,900.66, 393,136.50 and 157,573.52 is: 217,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,900.66 : 393,136.50 = 157,573.52 : x
  2. Step 2: Convert to fraction form
    284,900.66/393,136.50 = 157,573.52/x
  3. Step 3: Cross multiply
    284,900.66x = 393,136.50 × 157,573.52
  4. Step 4: Simplify right side
    284,900.66x = 61,947,900,179.80
  5. Step 5: Solve for x
    x = 61,947,900,179.80/284,900.66
  6. Step 6: Final answer
    x = 217,436.85

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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.