Home / 277,377.20-416,065.80-117,478.34

Finding the Fourth Proportional to 277,377.20, 416,065.80 and 117,478.34

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Solution

The fourth proportional to 277,377.20, 416,065.80 and 117,478.34 is: 176,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,377.20 : 416,065.80 = 117,478.34 : x
  2. Step 2: Convert to fraction form
    277,377.20/416,065.80 = 117,478.34/x
  3. Step 3: Cross multiply
    277,377.20x = 416,065.80 × 117,478.34
  4. Step 4: Simplify right side
    277,377.20x = 48,878,719,514.77
  5. Step 5: Solve for x
    x = 48,878,719,514.77/277,377.20
  6. Step 6: Final answer
    x = 176,217.51

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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.