Home / 284,098.25-392,122.69-163,309.61

Finding the Fourth Proportional to 284,098.25, 392,122.69 and 163,309.61

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Solution

The fourth proportional to 284,098.25, 392,122.69 and 163,309.61 is: 225,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,098.25 : 392,122.69 = 163,309.61 : x
  2. Step 2: Convert to fraction form
    284,098.25/392,122.69 = 163,309.61/x
  3. Step 3: Cross multiply
    284,098.25x = 392,122.69 × 163,309.61
  4. Step 4: Simplify right side
    284,098.25x = 64,037,404,148.08
  5. Step 5: Solve for x
    x = 64,037,404,148.08/284,098.25
  6. Step 6: Final answer
    x = 225,405.84

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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.