Home / 151,086.40-226,629.76-40,278.40

Finding the Fourth Proportional to 151,086.40, 226,629.76 and 40,278.40

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Solution

The fourth proportional to 151,086.40, 226,629.76 and 40,278.40 is: 60,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,086.40 : 226,629.76 = 40,278.40 : x
  2. Step 2: Convert to fraction form
    151,086.40/226,629.76 = 40,278.40/x
  3. Step 3: Cross multiply
    151,086.40x = 226,629.76 × 40,278.40
  4. Step 4: Simplify right side
    151,086.40x = 9,128,284,125.18
  5. Step 5: Solve for x
    x = 9,128,284,125.18/151,086.40
  6. Step 6: Final answer
    x = 60,417.64

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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.