Home / 284,091.28-392,032.65-163,147.30

Finding the Fourth Proportional to 284,091.28, 392,032.65 and 163,147.30

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Solution

The fourth proportional to 284,091.28, 392,032.65 and 163,147.30 is: 225,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,091.28 : 392,032.65 = 163,147.30 : x
  2. Step 2: Convert to fraction form
    284,091.28/392,032.65 = 163,147.30/x
  3. Step 3: Cross multiply
    284,091.28x = 392,032.65 × 163,147.30
  4. Step 4: Simplify right side
    284,091.28x = 63,959,068,359.35
  5. Step 5: Solve for x
    x = 63,959,068,359.35/284,091.28
  6. Step 6: Final answer
    x = 225,135.63

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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.