Home / 477,329.40-716,025.69-140,400.18

Finding the Fourth Proportional to 477,329.40, 716,025.69 and 140,400.18

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Solution

The fourth proportional to 477,329.40, 716,025.69 and 140,400.18 is: 210,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,329.40 : 716,025.69 = 140,400.18 : x
  2. Step 2: Convert to fraction form
    477,329.40/716,025.69 = 140,400.18/x
  3. Step 3: Cross multiply
    477,329.40x = 716,025.69 × 140,400.18
  4. Step 4: Simplify right side
    477,329.40x = 100,530,135,760.62
  5. Step 5: Solve for x
    x = 100,530,135,760.62/477,329.40
  6. Step 6: Final answer
    x = 210,609.56

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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.