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Finding the Fourth Proportional to 483,996.74, 667,888.02 and 269,132.18

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Solution

The fourth proportional to 483,996.74, 667,888.02 and 269,132.18 is: 371,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,996.74 : 667,888.02 = 269,132.18 : x
  2. Step 2: Convert to fraction form
    483,996.74/667,888.02 = 269,132.18/x
  3. Step 3: Cross multiply
    483,996.74x = 667,888.02 × 269,132.18
  4. Step 4: Simplify right side
    483,996.74x = 179,750,158,818.48
  5. Step 5: Solve for x
    x = 179,750,158,818.48/483,996.74
  6. Step 6: Final answer
    x = 371,387.13

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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.