Home / 276,935.45-415,397.10-77,250.20

Finding the Fourth Proportional to 276,935.45, 415,397.10 and 77,250.20

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Solution

The fourth proportional to 276,935.45, 415,397.10 and 77,250.20 is: 115,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,935.45 : 415,397.10 = 77,250.20 : x
  2. Step 2: Convert to fraction form
    276,935.45/415,397.10 = 77,250.20/x
  3. Step 3: Cross multiply
    276,935.45x = 415,397.10 × 77,250.20
  4. Step 4: Simplify right side
    276,935.45x = 32,089,509,054.42
  5. Step 5: Solve for x
    x = 32,089,509,054.42/276,935.45
  6. Step 6: Final answer
    x = 115,873.61

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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.