Home / 294,840.47-442,258.28-84,478.61

Finding the Fourth Proportional to 294,840.47, 442,258.28 and 84,478.61

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Solution

The fourth proportional to 294,840.47, 442,258.28 and 84,478.61 is: 126,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,840.47 : 442,258.28 = 84,478.61 : x
  2. Step 2: Convert to fraction form
    294,840.47/442,258.28 = 84,478.61/x
  3. Step 3: Cross multiply
    294,840.47x = 442,258.28 × 84,478.61
  4. Step 4: Simplify right side
    294,840.47x = 37,361,365,755.44
  5. Step 5: Solve for x
    x = 37,361,365,755.44/294,840.47
  6. Step 6: Final answer
    x = 126,717.22

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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.