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Finding the Fourth Proportional to 603,919.76, 905,967.12 and 224,808.98

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Solution

The fourth proportional to 603,919.76, 905,967.12 and 224,808.98 is: 337,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,919.76 : 905,967.12 = 224,808.98 : x
  2. Step 2: Convert to fraction form
    603,919.76/905,967.12 = 224,808.98/x
  3. Step 3: Cross multiply
    603,919.76x = 905,967.12 × 224,808.98
  4. Step 4: Simplify right side
    603,919.76x = 203,669,544,160.74
  5. Step 5: Solve for x
    x = 203,669,544,160.74/603,919.76
  6. Step 6: Final answer
    x = 337,246.03

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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.