Home / 247,629.60-371,444.40-89,837.55

Finding the Fourth Proportional to 247,629.60, 371,444.40 and 89,837.55

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Solution

The fourth proportional to 247,629.60, 371,444.40 and 89,837.55 is: 134,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,629.60 : 371,444.40 = 89,837.55 : x
  2. Step 2: Convert to fraction form
    247,629.60/371,444.40 = 89,837.55/x
  3. Step 3: Cross multiply
    247,629.60x = 371,444.40 × 89,837.55
  4. Step 4: Simplify right side
    247,629.60x = 33,369,654,857.22
  5. Step 5: Solve for x
    x = 33,369,654,857.22/247,629.60
  6. Step 6: Final answer
    x = 134,756.33

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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.