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Finding the Fourth Proportional to 270,230.67, 372,911.76 and 149,368.85

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Solution

The fourth proportional to 270,230.67, 372,911.76 and 149,368.85 is: 206,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,230.67 : 372,911.76 = 149,368.85 : x
  2. Step 2: Convert to fraction form
    270,230.67/372,911.76 = 149,368.85/x
  3. Step 3: Cross multiply
    270,230.67x = 372,911.76 × 149,368.85
  4. Step 4: Simplify right side
    270,230.67x = 55,701,400,742.68
  5. Step 5: Solve for x
    x = 55,701,400,742.68/270,230.67
  6. Step 6: Final answer
    x = 206,125.38

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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.