Home / 250,403.46-345,565.62-137,226.21

Finding the Fourth Proportional to 250,403.46, 345,565.62 and 137,226.21

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Solution

The fourth proportional to 250,403.46, 345,565.62 and 137,226.21 is: 189,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,403.46 : 345,565.62 = 137,226.21 : x
  2. Step 2: Convert to fraction form
    250,403.46/345,565.62 = 137,226.21/x
  3. Step 3: Cross multiply
    250,403.46x = 345,565.62 × 137,226.21
  4. Step 4: Simplify right side
    250,403.46x = 47,420,660,338.90
  5. Step 5: Solve for x
    x = 47,420,660,338.90/250,403.46
  6. Step 6: Final answer
    x = 189,377.02

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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.