Home / 252,467.78-348,436.40-145,037.61

Finding the Fourth Proportional to 252,467.78, 348,436.40 and 145,037.61

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Solution

The fourth proportional to 252,467.78, 348,436.40 and 145,037.61 is: 200,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,467.78 : 348,436.40 = 145,037.61 : x
  2. Step 2: Convert to fraction form
    252,467.78/348,436.40 = 145,037.61/x
  3. Step 3: Cross multiply
    252,467.78x = 348,436.40 × 145,037.61
  4. Step 4: Simplify right side
    252,467.78x = 50,536,381,967.82
  5. Step 5: Solve for x
    x = 50,536,381,967.82/252,467.78
  6. Step 6: Final answer
    x = 200,169.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.