Home / 313,642.90-432,828.26-177,702.02

Finding the Fourth Proportional to 313,642.90, 432,828.26 and 177,702.02

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Solution

The fourth proportional to 313,642.90, 432,828.26 and 177,702.02 is: 245,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,642.90 : 432,828.26 = 177,702.02 : x
  2. Step 2: Convert to fraction form
    313,642.90/432,828.26 = 177,702.02/x
  3. Step 3: Cross multiply
    313,642.90x = 432,828.26 × 177,702.02
  4. Step 4: Simplify right side
    313,642.90x = 76,914,455,351.92
  5. Step 5: Solve for x
    x = 76,914,455,351.92/313,642.90
  6. Step 6: Final answer
    x = 245,229.38

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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.