Home / 230,223.91-345,385.28-130,431.91

Finding the Fourth Proportional to 230,223.91, 345,385.28 and 130,431.91

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Solution

The fourth proportional to 230,223.91, 345,385.28 and 130,431.91 is: 195,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,223.91 : 345,385.28 = 130,431.91 : x
  2. Step 2: Convert to fraction form
    230,223.91/345,385.28 = 130,431.91/x
  3. Step 3: Cross multiply
    230,223.91x = 345,385.28 × 130,431.91
  4. Step 4: Simplify right side
    230,223.91x = 45,049,261,756.28
  5. Step 5: Solve for x
    x = 45,049,261,756.28/230,223.91
  6. Step 6: Final answer
    x = 195,675.86

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1.5x scale

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.