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Finding the Fourth Proportional to 247,888.98, 371,820.42 and 145,363.32

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Solution

The fourth proportional to 247,888.98, 371,820.42 and 145,363.32 is: 218,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,888.98 : 371,820.42 = 145,363.32 : x
  2. Step 2: Convert to fraction form
    247,888.98/371,820.42 = 145,363.32/x
  3. Step 3: Cross multiply
    247,888.98x = 371,820.42 × 145,363.32
  4. Step 4: Simplify right side
    247,888.98x = 54,049,050,694.99
  5. Step 5: Solve for x
    x = 54,049,050,694.99/247,888.98
  6. Step 6: Final answer
    x = 218,037.33

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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.