Home / 313,064.39-432,029-177,095.44

Finding the Fourth Proportional to 313,064.39, 432,029 and 177,095.44

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Solution

The fourth proportional to 313,064.39, 432,029 and 177,095.44 is: 244,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,064.39 : 432,029 = 177,095.44 : x
  2. Step 2: Convert to fraction form
    313,064.39/432,029 = 177,095.44/x
  3. Step 3: Cross multiply
    313,064.39x = 432,029 × 177,095.44
  4. Step 4: Simplify right side
    313,064.39x = 76,510,365,847.76
  5. Step 5: Solve for x
    x = 76,510,365,847.76/313,064.39
  6. Step 6: Final answer
    x = 244,391.79

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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.