Home / 238,229.47-357,268.32-78,268.27

Finding the Fourth Proportional to 238,229.47, 357,268.32 and 78,268.27

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Solution

The fourth proportional to 238,229.47, 357,268.32 and 78,268.27 is: 117,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,229.47 : 357,268.32 = 78,268.27 : x
  2. Step 2: Convert to fraction form
    238,229.47/357,268.32 = 78,268.27/x
  3. Step 3: Cross multiply
    238,229.47x = 357,268.32 × 78,268.27
  4. Step 4: Simplify right side
    238,229.47x = 27,962,773,332.21
  5. Step 5: Solve for x
    x = 27,962,773,332.21/238,229.47
  6. Step 6: Final answer
    x = 117,377.47

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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.