Home / 185,301.28-277,968.32-52,182.72

Finding the Fourth Proportional to 185,301.28, 277,968.32 and 52,182.72

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Solution

The fourth proportional to 185,301.28, 277,968.32 and 52,182.72 is: 78,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,301.28 : 277,968.32 = 52,182.72 : x
  2. Step 2: Convert to fraction form
    185,301.28/277,968.32 = 52,182.72/x
  3. Step 3: Cross multiply
    185,301.28x = 277,968.32 × 52,182.72
  4. Step 4: Simplify right side
    185,301.28x = 14,505,143,011.43
  5. Step 5: Solve for x
    x = 14,505,143,011.43/185,301.28
  6. Step 6: Final answer
    x = 78,278.70

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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.