Home / 247,187.20-340,508.23-210,770.12

Finding the Fourth Proportional to 247,187.20, 340,508.23 and 210,770.12

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Solution

The fourth proportional to 247,187.20, 340,508.23 and 210,770.12 is: 290,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,187.20 : 340,508.23 = 210,770.12 : x
  2. Step 2: Convert to fraction form
    247,187.20/340,508.23 = 210,770.12/x
  3. Step 3: Cross multiply
    247,187.20x = 340,508.23 × 210,770.12
  4. Step 4: Simplify right side
    247,187.20x = 71,768,961,369.56
  5. Step 5: Solve for x
    x = 71,768,961,369.56/247,187.20
  6. Step 6: Final answer
    x = 290,342.55

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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.