Home / 284,927.65-393,209.85-162,438.13

Finding the Fourth Proportional to 284,927.65, 393,209.85 and 162,438.13

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Solution

The fourth proportional to 284,927.65, 393,209.85 and 162,438.13 is: 224,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,927.65 : 393,209.85 = 162,438.13 : x
  2. Step 2: Convert to fraction form
    284,927.65/393,209.85 = 162,438.13/x
  3. Step 3: Cross multiply
    284,927.65x = 393,209.85 × 162,438.13
  4. Step 4: Simplify right side
    284,927.65x = 63,872,272,731.58
  5. Step 5: Solve for x
    x = 63,872,272,731.58/284,927.65
  6. Step 6: Final answer
    x = 224,170.15

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1.5x scale

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.