Home / 284,900.55-393,136.32-157,573.41

Finding the Fourth Proportional to 284,900.55, 393,136.32 and 157,573.41

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Solution

The fourth proportional to 284,900.55, 393,136.32 and 157,573.41 is: 217,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,900.55 : 393,136.32 = 157,573.41 : x
  2. Step 2: Convert to fraction form
    284,900.55/393,136.32 = 157,573.41/x
  3. Step 3: Cross multiply
    284,900.55x = 393,136.32 × 157,573.41
  4. Step 4: Simplify right side
    284,900.55x = 61,947,830,537.25
  5. Step 5: Solve for x
    x = 61,947,830,537.25/284,900.55
  6. Step 6: Final answer
    x = 217,436.68

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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.