Home / 229,311.05-316,452.56-127,342.85

Finding the Fourth Proportional to 229,311.05, 316,452.56 and 127,342.85

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Solution

The fourth proportional to 229,311.05, 316,452.56 and 127,342.85 is: 175,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,311.05 : 316,452.56 = 127,342.85 : x
  2. Step 2: Convert to fraction form
    229,311.05/316,452.56 = 127,342.85/x
  3. Step 3: Cross multiply
    229,311.05x = 316,452.56 × 127,342.85
  4. Step 4: Simplify right side
    229,311.05x = 40,297,968,661.22
  5. Step 5: Solve for x
    x = 40,297,968,661.22/229,311.05
  6. Step 6: Final answer
    x = 175,734.97

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1.5x scale

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.