Home / 226,271.76-312,236.82-130,784.64

Finding the Fourth Proportional to 226,271.76, 312,236.82 and 130,784.64

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Solution

The fourth proportional to 226,271.76, 312,236.82 and 130,784.64 is: 180,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,271.76 : 312,236.82 = 130,784.64 : x
  2. Step 2: Convert to fraction form
    226,271.76/312,236.82 = 130,784.64/x
  3. Step 3: Cross multiply
    226,271.76x = 312,236.82 × 130,784.64
  4. Step 4: Simplify right side
    226,271.76x = 40,835,780,098.44
  5. Step 5: Solve for x
    x = 40,835,780,098.44/226,271.76
  6. Step 6: Final answer
    x = 180,472.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.