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Finding the Fourth Proportional to 276,253.35, 414,383.10 and 76,575.47

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Solution

The fourth proportional to 276,253.35, 414,383.10 and 76,575.47 is: 114,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,253.35 : 414,383.10 = 76,575.47 : x
  2. Step 2: Convert to fraction form
    276,253.35/414,383.10 = 76,575.47/x
  3. Step 3: Cross multiply
    276,253.35x = 414,383.10 × 76,575.47
  4. Step 4: Simplify right side
    276,253.35x = 31,731,578,187.76
  5. Step 5: Solve for x
    x = 31,731,578,187.76/276,253.35
  6. Step 6: Final answer
    x = 114,864.05

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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.