Home / 230,421.54-345,789.05-141,403.35

Finding the Fourth Proportional to 230,421.54, 345,789.05 and 141,403.35

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Solution

The fourth proportional to 230,421.54, 345,789.05 and 141,403.35 is: 212,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,421.54 : 345,789.05 = 141,403.35 : x
  2. Step 2: Convert to fraction form
    230,421.54/345,789.05 = 141,403.35/x
  3. Step 3: Cross multiply
    230,421.54x = 345,789.05 × 141,403.35
  4. Step 4: Simplify right side
    230,421.54x = 48,895,729,356.30
  5. Step 5: Solve for x
    x = 48,895,729,356.30/230,421.54
  6. Step 6: Final answer
    x = 212,201.21

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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.