Home / 230,676.48-318,279.20-140,030.24

Finding the Fourth Proportional to 230,676.48, 318,279.20 and 140,030.24

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Solution

The fourth proportional to 230,676.48, 318,279.20 and 140,030.24 is: 193,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,676.48 : 318,279.20 = 140,030.24 : x
  2. Step 2: Convert to fraction form
    230,676.48/318,279.20 = 140,030.24/x
  3. Step 3: Cross multiply
    230,676.48x = 318,279.20 × 140,030.24
  4. Step 4: Simplify right side
    230,676.48x = 44,568,712,763.01
  5. Step 5: Solve for x
    x = 44,568,712,763.01/230,676.48
  6. Step 6: Final answer
    x = 193,208.74

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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.