Home / 315,738.73-435,719.88-179,772.74

Finding the Fourth Proportional to 315,738.73, 435,719.88 and 179,772.74

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Solution

The fourth proportional to 315,738.73, 435,719.88 and 179,772.74 is: 248,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,738.73 : 435,719.88 = 179,772.74 : x
  2. Step 2: Convert to fraction form
    315,738.73/435,719.88 = 179,772.74/x
  3. Step 3: Cross multiply
    315,738.73x = 435,719.88 × 179,772.74
  4. Step 4: Simplify right side
    315,738.73x = 78,330,557,886.49
  5. Step 5: Solve for x
    x = 78,330,557,886.49/315,738.73
  6. Step 6: Final answer
    x = 248,086.63

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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.