Home / 243,308.16-335,976.66-152,821.44

Finding the Fourth Proportional to 243,308.16, 335,976.66 and 152,821.44

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Solution

The fourth proportional to 243,308.16, 335,976.66 and 152,821.44 is: 211,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,308.16 : 335,976.66 = 152,821.44 : x
  2. Step 2: Convert to fraction form
    243,308.16/335,976.66 = 152,821.44/x
  3. Step 3: Cross multiply
    243,308.16x = 335,976.66 × 152,821.44
  4. Step 4: Simplify right side
    243,308.16x = 51,344,436,987.59
  5. Step 5: Solve for x
    x = 51,344,436,987.59/243,308.16
  6. Step 6: Final answer
    x = 211,026.37

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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.