Home / 276,298.88-414,448.31-89,310.38

Finding the Fourth Proportional to 276,298.88, 414,448.31 and 89,310.38

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Solution

The fourth proportional to 276,298.88, 414,448.31 and 89,310.38 is: 133,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,298.88 : 414,448.31 = 89,310.38 : x
  2. Step 2: Convert to fraction form
    276,298.88/414,448.31 = 89,310.38/x
  3. Step 3: Cross multiply
    276,298.88x = 414,448.31 × 89,310.38
  4. Step 4: Simplify right side
    276,298.88x = 37,014,534,207.49
  5. Step 5: Solve for x
    x = 37,014,534,207.49/276,298.88
  6. Step 6: Final answer
    x = 133,965.56

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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.