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Finding the Fourth Proportional to 270,434.77, 373,155.39 and 149,552.44

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Solution

The fourth proportional to 270,434.77, 373,155.39 and 149,552.44 is: 206,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,434.77 : 373,155.39 = 149,552.44 : x
  2. Step 2: Convert to fraction form
    270,434.77/373,155.39 = 149,552.44/x
  3. Step 3: Cross multiply
    270,434.77x = 373,155.39 × 149,552.44
  4. Step 4: Simplify right side
    270,434.77x = 55,806,298,140.76
  5. Step 5: Solve for x
    x = 55,806,298,140.76/270,434.77
  6. Step 6: Final answer
    x = 206,357.71

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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.