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Finding the Fourth Proportional to 603,925.20, 905,311.80 and 224,744.40

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Solution

The fourth proportional to 603,925.20, 905,311.80 and 224,744.40 is: 336,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,925.20 : 905,311.80 = 224,744.40 : x
  2. Step 2: Convert to fraction form
    603,925.20/905,311.80 = 224,744.40/x
  3. Step 3: Cross multiply
    603,925.20x = 905,311.80 × 224,744.40
  4. Step 4: Simplify right side
    603,925.20x = 203,463,757,303.92
  5. Step 5: Solve for x
    x = 203,463,757,303.92/603,925.20
  6. Step 6: Final answer
    x = 336,902.25

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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.