Home / 284,311.30-392,342.04-156,984.16

Finding the Fourth Proportional to 284,311.30, 392,342.04 and 156,984.16

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Solution

The fourth proportional to 284,311.30, 392,342.04 and 156,984.16 is: 216,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,311.30 : 392,342.04 = 156,984.16 : x
  2. Step 2: Convert to fraction form
    284,311.30/392,342.04 = 156,984.16/x
  3. Step 3: Cross multiply
    284,311.30x = 392,342.04 × 156,984.16
  4. Step 4: Simplify right side
    284,311.30x = 61,591,485,582.09
  5. Step 5: Solve for x
    x = 61,591,485,582.09/284,311.30
  6. Step 6: Final answer
    x = 216,633.97

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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.