Home / 230,418.91-345,785.10-141,400.72

Finding the Fourth Proportional to 230,418.91, 345,785.10 and 141,400.72

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Solution

The fourth proportional to 230,418.91, 345,785.10 and 141,400.72 is: 212,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,418.91 : 345,785.10 = 141,400.72 : x
  2. Step 2: Convert to fraction form
    230,418.91/345,785.10 = 141,400.72/x
  3. Step 3: Cross multiply
    230,418.91x = 345,785.10 × 141,400.72
  4. Step 4: Simplify right side
    230,418.91x = 48,894,262,802.63
  5. Step 5: Solve for x
    x = 48,894,262,802.63/230,418.91
  6. Step 6: Final answer
    x = 212,197.27

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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.