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Finding the Fourth Proportional to 292,531.20, 439,257.60 and 168,115.20

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Solution

The fourth proportional to 292,531.20, 439,257.60 and 168,115.20 is: 252,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,531.20 : 439,257.60 = 168,115.20 : x
  2. Step 2: Convert to fraction form
    292,531.20/439,257.60 = 168,115.20/x
  3. Step 3: Cross multiply
    292,531.20x = 439,257.60 × 168,115.20
  4. Step 4: Simplify right side
    292,531.20x = 73,845,879,275.52
  5. Step 5: Solve for x
    x = 73,845,879,275.52/292,531.20
  6. Step 6: Final answer
    x = 252,437.62

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