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Finding the Fourth Proportional to 370,170.44, 510,845.68 and 209,049.72

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Solution

The fourth proportional to 370,170.44, 510,845.68 and 209,049.72 is: 288,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,170.44 : 510,845.68 = 209,049.72 : x
  2. Step 2: Convert to fraction form
    370,170.44/510,845.68 = 209,049.72/x
  3. Step 3: Cross multiply
    370,170.44x = 510,845.68 × 209,049.72
  4. Step 4: Simplify right side
    370,170.44x = 106,792,146,367.21
  5. Step 5: Solve for x
    x = 106,792,146,367.21/370,170.44
  6. Step 6: Final answer
    x = 288,494.53

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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.