Home / 283,864.15-425,787-115,334.65

Finding the Fourth Proportional to 283,864.15, 425,787 and 115,334.65

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Solution

The fourth proportional to 283,864.15, 425,787 and 115,334.65 is: 172,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,864.15 : 425,787 = 115,334.65 : x
  2. Step 2: Convert to fraction form
    283,864.15/425,787 = 115,334.65/x
  3. Step 3: Cross multiply
    283,864.15x = 425,787 × 115,334.65
  4. Step 4: Simplify right side
    283,864.15x = 49,107,994,619.55
  5. Step 5: Solve for x
    x = 49,107,994,619.55/283,864.15
  6. Step 6: Final answer
    x = 172,998.23

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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.