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Finding the Fourth Proportional to 292,036.59, 438,132.51 and 92,360.52

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Solution

The fourth proportional to 292,036.59, 438,132.51 and 92,360.52 is: 138,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,036.59 : 438,132.51 = 92,360.52 : x
  2. Step 2: Convert to fraction form
    292,036.59/438,132.51 = 92,360.52/x
  3. Step 3: Cross multiply
    292,036.59x = 438,132.51 × 92,360.52
  4. Step 4: Simplify right side
    292,036.59x = 40,466,146,452.51
  5. Step 5: Solve for x
    x = 40,466,146,452.51/292,036.59
  6. Step 6: Final answer
    x = 138,565.33

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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.