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Finding the Fourth Proportional to 295,803.60, 443,195.10 and 137,707.80

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Solution

The fourth proportional to 295,803.60, 443,195.10 and 137,707.80 is: 206,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,803.60 : 443,195.10 = 137,707.80 : x
  2. Step 2: Convert to fraction form
    295,803.60/443,195.10 = 137,707.80/x
  3. Step 3: Cross multiply
    295,803.60x = 443,195.10 × 137,707.80
  4. Step 4: Simplify right side
    295,803.60x = 61,031,422,191.78
  5. Step 5: Solve for x
    x = 61,031,422,191.78/295,803.60
  6. Step 6: Final answer
    x = 206,324.14

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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.