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Finding the Fourth Proportional to 276,894.32, 415,164.04 and 116,926.92

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Solution

The fourth proportional to 276,894.32, 415,164.04 and 116,926.92 is: 175,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,894.32 : 415,164.04 = 116,926.92 : x
  2. Step 2: Convert to fraction form
    276,894.32/415,164.04 = 116,926.92/x
  3. Step 3: Cross multiply
    276,894.32x = 415,164.04 × 116,926.92
  4. Step 4: Simplify right side
    276,894.32x = 48,543,852,491.96
  5. Step 5: Solve for x
    x = 48,543,852,491.96/276,894.32
  6. Step 6: Final answer
    x = 175,315.45

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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.