Home / 236,732.28-354,967.38-78,874.68

Finding the Fourth Proportional to 236,732.28, 354,967.38 and 78,874.68

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Solution

The fourth proportional to 236,732.28, 354,967.38 and 78,874.68 is: 118,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,732.28 : 354,967.38 = 78,874.68 : x
  2. Step 2: Convert to fraction form
    236,732.28/354,967.38 = 78,874.68/x
  3. Step 3: Cross multiply
    236,732.28x = 354,967.38 × 78,874.68
  4. Step 4: Simplify right side
    236,732.28x = 27,997,938,507.94
  5. Step 5: Solve for x
    x = 27,997,938,507.94/236,732.28
  6. Step 6: Final answer
    x = 118,268.36

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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.