Home / 486,941.59-730,490.87-149,982.13

Finding the Fourth Proportional to 486,941.59, 730,490.87 and 149,982.13

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Solution

The fourth proportional to 486,941.59, 730,490.87 and 149,982.13 is: 224,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,941.59 : 730,490.87 = 149,982.13 : x
  2. Step 2: Convert to fraction form
    486,941.59/730,490.87 = 149,982.13/x
  3. Step 3: Cross multiply
    486,941.59x = 730,490.87 × 149,982.13
  4. Step 4: Simplify right side
    486,941.59x = 109,560,576,628.15
  5. Step 5: Solve for x
    x = 109,560,576,628.15/486,941.59
  6. Step 6: Final answer
    x = 224,997.37

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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.