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Finding the Fourth Proportional to 440,144.10, 660,216.15 and 203,948.10

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Solution

The fourth proportional to 440,144.10, 660,216.15 and 203,948.10 is: 305,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,144.10 : 660,216.15 = 203,948.10 : x
  2. Step 2: Convert to fraction form
    440,144.10/660,216.15 = 203,948.10/x
  3. Step 3: Cross multiply
    440,144.10x = 660,216.15 × 203,948.10
  4. Step 4: Simplify right side
    440,144.10x = 134,649,829,381.82
  5. Step 5: Solve for x
    x = 134,649,829,381.82/440,144.10
  6. Step 6: Final answer
    x = 305,922.15

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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.