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Finding the Fourth Proportional to 490,076.89, 735,217.38 and 153,103.93

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Solution

The fourth proportional to 490,076.89, 735,217.38 and 153,103.93 is: 229,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,076.89 : 735,217.38 = 153,103.93 : x
  2. Step 2: Convert to fraction form
    490,076.89/735,217.38 = 153,103.93/x
  3. Step 3: Cross multiply
    490,076.89x = 735,217.38 × 153,103.93
  4. Step 4: Simplify right side
    490,076.89x = 112,564,670,282.30
  5. Step 5: Solve for x
    x = 112,564,670,282.30/490,076.89
  6. Step 6: Final answer
    x = 229,687.77

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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.