Home / 292,045.50-438,146.01-92,369.52

Finding the Fourth Proportional to 292,045.50, 438,146.01 and 92,369.52

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Solution

The fourth proportional to 292,045.50, 438,146.01 and 92,369.52 is: 138,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,045.50 : 438,146.01 = 92,369.52 : x
  2. Step 2: Convert to fraction form
    292,045.50/438,146.01 = 92,369.52/x
  3. Step 3: Cross multiply
    292,045.50x = 438,146.01 × 92,369.52
  4. Step 4: Simplify right side
    292,045.50x = 40,471,336,633.62
  5. Step 5: Solve for x
    x = 40,471,336,633.62/292,045.50
  6. Step 6: Final answer
    x = 138,578.87

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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.