Home / 243,311.24-335,770.21-135,885.33

Finding the Fourth Proportional to 243,311.24, 335,770.21 and 135,885.33

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Solution

The fourth proportional to 243,311.24, 335,770.21 and 135,885.33 is: 187,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,311.24 : 335,770.21 = 135,885.33 : x
  2. Step 2: Convert to fraction form
    243,311.24/335,770.21 = 135,885.33/x
  3. Step 3: Cross multiply
    243,311.24x = 335,770.21 × 135,885.33
  4. Step 4: Simplify right side
    243,311.24x = 45,626,245,959.88
  5. Step 5: Solve for x
    x = 45,626,245,959.88/243,311.24
  6. Step 6: Final answer
    x = 187,522.14

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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.