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Finding the Fourth Proportional to 185,862.74, 278,908.58 and 73,523.84

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Solution

The fourth proportional to 185,862.74, 278,908.58 and 73,523.84 is: 110,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,862.74 : 278,908.58 = 73,523.84 : x
  2. Step 2: Convert to fraction form
    185,862.74/278,908.58 = 73,523.84/x
  3. Step 3: Cross multiply
    185,862.74x = 278,908.58 × 73,523.84
  4. Step 4: Simplify right side
    185,862.74x = 20,506,428,599.81
  5. Step 5: Solve for x
    x = 20,506,428,599.81/185,862.74
  6. Step 6: Final answer
    x = 110,331.04

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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.