Home / 318,119.40-477,154.26-140,632.20

Finding the Fourth Proportional to 318,119.40, 477,154.26 and 140,632.20

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Solution

The fourth proportional to 318,119.40, 477,154.26 and 140,632.20 is: 210,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,119.40 : 477,154.26 = 140,632.20 : x
  2. Step 2: Convert to fraction form
    318,119.40/477,154.26 = 140,632.20/x
  3. Step 3: Cross multiply
    318,119.40x = 477,154.26 × 140,632.20
  4. Step 4: Simplify right side
    318,119.40x = 67,103,253,323.17
  5. Step 5: Solve for x
    x = 67,103,253,323.17/318,119.40
  6. Step 6: Final answer
    x = 210,937.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.