Home / 486,144.38-670,879.37-268,353.18

Finding the Fourth Proportional to 486,144.38, 670,879.37 and 268,353.18

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Solution

The fourth proportional to 486,144.38, 670,879.37 and 268,353.18 is: 370,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,144.38 : 670,879.37 = 268,353.18 : x
  2. Step 2: Convert to fraction form
    486,144.38/670,879.37 = 268,353.18/x
  3. Step 3: Cross multiply
    486,144.38x = 670,879.37 × 268,353.18
  4. Step 4: Simplify right side
    486,144.38x = 180,032,613,006.78
  5. Step 5: Solve for x
    x = 180,032,613,006.78/486,144.38
  6. Step 6: Final answer
    x = 370,327.46

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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.