Home / 275,329.66-412,993.50-155,332.18

Finding the Fourth Proportional to 275,329.66, 412,993.50 and 155,332.18

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Solution

The fourth proportional to 275,329.66, 412,993.50 and 155,332.18 is: 232,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,329.66 : 412,993.50 = 155,332.18 : x
  2. Step 2: Convert to fraction form
    275,329.66/412,993.50 = 155,332.18/x
  3. Step 3: Cross multiply
    275,329.66x = 412,993.50 × 155,332.18
  4. Step 4: Simplify right side
    275,329.66x = 64,151,180,680.83
  5. Step 5: Solve for x
    x = 64,151,180,680.83/275,329.66
  6. Step 6: Final answer
    x = 232,997.71

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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.