Home / 296,078.40-444,182.94-138,220.74

Finding the Fourth Proportional to 296,078.40, 444,182.94 and 138,220.74

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Solution

The fourth proportional to 296,078.40, 444,182.94 and 138,220.74 is: 207,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,078.40 : 444,182.94 = 138,220.74 : x
  2. Step 2: Convert to fraction form
    296,078.40/444,182.94 = 138,220.74/x
  3. Step 3: Cross multiply
    296,078.40x = 444,182.94 × 138,220.74
  4. Step 4: Simplify right side
    296,078.40x = 61,395,294,662.18
  5. Step 5: Solve for x
    x = 61,395,294,662.18/296,078.40
  6. Step 6: Final answer
    x = 207,361.61

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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.