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Finding the Fourth Proportional to 276,068.30, 414,102.45 and 89,079.80

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Solution

The fourth proportional to 276,068.30, 414,102.45 and 89,079.80 is: 133,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,068.30 : 414,102.45 = 89,079.80 : x
  2. Step 2: Convert to fraction form
    276,068.30/414,102.45 = 89,079.80/x
  3. Step 3: Cross multiply
    276,068.30x = 414,102.45 × 89,079.80
  4. Step 4: Simplify right side
    276,068.30x = 36,888,163,425.51
  5. Step 5: Solve for x
    x = 36,888,163,425.51/276,068.30
  6. Step 6: Final answer
    x = 133,619.70

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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.