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Finding the Fourth Proportional to 379,293.75, 568,973.43 and 98,811

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Solution

The fourth proportional to 379,293.75, 568,973.43 and 98,811 is: 148,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,293.75 : 568,973.43 = 98,811 : x
  2. Step 2: Convert to fraction form
    379,293.75/568,973.43 = 98,811/x
  3. Step 3: Cross multiply
    379,293.75x = 568,973.43 × 98,811
  4. Step 4: Simplify right side
    379,293.75x = 56,220,833,591.73
  5. Step 5: Solve for x
    x = 56,220,833,591.73/379,293.75
  6. Step 6: Final answer
    x = 148,225.05

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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.