Home / 279,830.06-386,154.24-152,502.92

Finding the Fourth Proportional to 279,830.06, 386,154.24 and 152,502.92

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Solution

The fourth proportional to 279,830.06, 386,154.24 and 152,502.92 is: 210,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,830.06 : 386,154.24 = 152,502.92 : x
  2. Step 2: Convert to fraction form
    279,830.06/386,154.24 = 152,502.92/x
  3. Step 3: Cross multiply
    279,830.06x = 386,154.24 × 152,502.92
  4. Step 4: Simplify right side
    279,830.06x = 58,889,649,170.38
  5. Step 5: Solve for x
    x = 58,889,649,170.38/279,830.06
  6. Step 6: Final answer
    x = 210,447.90

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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.