Home / 272,212.38-408,317.67-69,808.29

Finding the Fourth Proportional to 272,212.38, 408,317.67 and 69,808.29

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Solution

The fourth proportional to 272,212.38, 408,317.67 and 69,808.29 is: 104,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,212.38 : 408,317.67 = 69,808.29 : x
  2. Step 2: Convert to fraction form
    272,212.38/408,317.67 = 69,808.29/x
  3. Step 3: Cross multiply
    272,212.38x = 408,317.67 × 69,808.29
  4. Step 4: Simplify right side
    272,212.38x = 28,503,958,319.48
  5. Step 5: Solve for x
    x = 28,503,958,319.48/272,212.38
  6. Step 6: Final answer
    x = 104,712.20

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1.5x scale

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.