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Finding the Fourth Proportional to 400,400.42, 600,182.19 and 133,941.74

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Solution

The fourth proportional to 400,400.42, 600,182.19 and 133,941.74 is: 200,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,400.42 : 600,182.19 = 133,941.74 : x
  2. Step 2: Convert to fraction form
    400,400.42/600,182.19 = 133,941.74/x
  3. Step 3: Cross multiply
    400,400.42x = 600,182.19 × 133,941.74
  4. Step 4: Simplify right side
    400,400.42x = 80,389,443,844.70
  5. Step 5: Solve for x
    x = 80,389,443,844.70/400,400.42
  6. Step 6: Final answer
    x = 200,772.63

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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.