Home / 284,180.91-392,179.16-155,127.04

Finding the Fourth Proportional to 284,180.91, 392,179.16 and 155,127.04

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Solution

The fourth proportional to 284,180.91, 392,179.16 and 155,127.04 is: 214,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,180.91 : 392,179.16 = 155,127.04 : x
  2. Step 2: Convert to fraction form
    284,180.91/392,179.16 = 155,127.04/x
  3. Step 3: Cross multiply
    284,180.91x = 392,179.16 × 155,127.04
  4. Step 4: Simplify right side
    284,180.91x = 60,837,592,240.49
  5. Step 5: Solve for x
    x = 60,837,592,240.49/284,180.91
  6. Step 6: Final answer
    x = 214,080.50

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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.