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Finding the Fourth Proportional to 298,812.95, 448,306.97 and 96,404.96

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Solution

The fourth proportional to 298,812.95, 448,306.97 and 96,404.96 is: 144,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,812.95 : 448,306.97 = 96,404.96 : x
  2. Step 2: Convert to fraction form
    298,812.95/448,306.97 = 96,404.96/x
  3. Step 3: Cross multiply
    298,812.95x = 448,306.97 × 96,404.96
  4. Step 4: Simplify right side
    298,812.95x = 43,219,013,510.05
  5. Step 5: Solve for x
    x = 43,219,013,510.05/298,812.95
  6. Step 6: Final answer
    x = 144,635.68

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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.