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Finding the Fourth Proportional to 270,347.76, 373,074 and 149,494.08

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Solution

The fourth proportional to 270,347.76, 373,074 and 149,494.08 is: 206,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,347.76 : 373,074 = 149,494.08 : x
  2. Step 2: Convert to fraction form
    270,347.76/373,074 = 149,494.08/x
  3. Step 3: Cross multiply
    270,347.76x = 373,074 × 149,494.08
  4. Step 4: Simplify right side
    270,347.76x = 55,772,354,401.92
  5. Step 5: Solve for x
    x = 55,772,354,401.92/270,347.76
  6. Step 6: Final answer
    x = 206,298.56

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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.