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Finding the Fourth Proportional to 400,184.91, 600,278.13 and 100,663.47

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Solution

The fourth proportional to 400,184.91, 600,278.13 and 100,663.47 is: 150,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,184.91 : 600,278.13 = 100,663.47 : x
  2. Step 2: Convert to fraction form
    400,184.91/600,278.13 = 100,663.47/x
  3. Step 3: Cross multiply
    400,184.91x = 600,278.13 × 100,663.47
  4. Step 4: Simplify right side
    400,184.91x = 60,426,079,530.91
  5. Step 5: Solve for x
    x = 60,426,079,530.91/400,184.91
  6. Step 6: Final answer
    x = 150,995.40

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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.