Home / 284,496.92-392,617.04-163,638.08

Finding the Fourth Proportional to 284,496.92, 392,617.04 and 163,638.08

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Solution

The fourth proportional to 284,496.92, 392,617.04 and 163,638.08 is: 225,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,496.92 : 392,617.04 = 163,638.08 : x
  2. Step 2: Convert to fraction form
    284,496.92/392,617.04 = 163,638.08/x
  3. Step 3: Cross multiply
    284,496.92x = 392,617.04 × 163,638.08
  4. Step 4: Simplify right side
    284,496.92x = 64,247,098,600.88
  5. Step 5: Solve for x
    x = 64,247,098,600.88/284,496.92
  6. Step 6: Final answer
    x = 225,827.04

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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.