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Finding the Fourth Proportional to 302,574.72, 453,863.04 and 92,211.84

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Solution

The fourth proportional to 302,574.72, 453,863.04 and 92,211.84 is: 138,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,574.72 : 453,863.04 = 92,211.84 : x
  2. Step 2: Convert to fraction form
    302,574.72/453,863.04 = 92,211.84/x
  3. Step 3: Cross multiply
    302,574.72x = 453,863.04 × 92,211.84
  4. Step 4: Simplify right side
    302,574.72x = 41,851,546,026.39
  5. Step 5: Solve for x
    x = 41,851,546,026.39/302,574.72
  6. Step 6: Final answer
    x = 138,318.05

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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.