Home / 263,407.92-363,502.90-142,549.20

Finding the Fourth Proportional to 263,407.92, 363,502.90 and 142,549.20

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Solution

The fourth proportional to 263,407.92, 363,502.90 and 142,549.20 is: 196,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,407.92 : 363,502.90 = 142,549.20 : x
  2. Step 2: Convert to fraction form
    263,407.92/363,502.90 = 142,549.20/x
  3. Step 3: Cross multiply
    263,407.92x = 363,502.90 × 142,549.20
  4. Step 4: Simplify right side
    263,407.92x = 51,817,047,592.68
  5. Step 5: Solve for x
    x = 51,817,047,592.68/263,407.92
  6. Step 6: Final answer
    x = 196,717.88

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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.