Home / 284,650.10-392,635.65-216,517.56

Finding the Fourth Proportional to 284,650.10, 392,635.65 and 216,517.56

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Solution

The fourth proportional to 284,650.10, 392,635.65 and 216,517.56 is: 298,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,650.10 : 392,635.65 = 216,517.56 : x
  2. Step 2: Convert to fraction form
    284,650.10/392,635.65 = 216,517.56/x
  3. Step 3: Cross multiply
    284,650.10x = 392,635.65 × 216,517.56
  4. Step 4: Simplify right side
    284,650.10x = 85,012,512,246.57
  5. Step 5: Solve for x
    x = 85,012,512,246.57/284,650.10
  6. Step 6: Final answer
    x = 298,656.18

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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.