Home / 252,864.64-379,176.54-75,309.40

Finding the Fourth Proportional to 252,864.64, 379,176.54 and 75,309.40

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Solution

The fourth proportional to 252,864.64, 379,176.54 and 75,309.40 is: 112,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,864.64 : 379,176.54 = 75,309.40 : x
  2. Step 2: Convert to fraction form
    252,864.64/379,176.54 = 75,309.40/x
  3. Step 3: Cross multiply
    252,864.64x = 379,176.54 × 75,309.40
  4. Step 4: Simplify right side
    252,864.64x = 28,555,557,721.48
  5. Step 5: Solve for x
    x = 28,555,557,721.48/252,864.64
  6. Step 6: Final answer
    x = 112,928.24

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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.