Home / 300,888.32-451,331.66-76,248.10

Finding the Fourth Proportional to 300,888.32, 451,331.66 and 76,248.10

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Solution

The fourth proportional to 300,888.32, 451,331.66 and 76,248.10 is: 114,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,888.32 : 451,331.66 = 76,248.10 : x
  2. Step 2: Convert to fraction form
    300,888.32/451,331.66 = 76,248.10/x
  3. Step 3: Cross multiply
    300,888.32x = 451,331.66 × 76,248.10
  4. Step 4: Simplify right side
    300,888.32x = 34,413,181,544.85
  5. Step 5: Solve for x
    x = 34,413,181,544.85/300,888.32
  6. Step 6: Final answer
    x = 114,371.94

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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.