Home / 243,822.62-336,488.29-136,386.25

Finding the Fourth Proportional to 243,822.62, 336,488.29 and 136,386.25

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Solution

The fourth proportional to 243,822.62, 336,488.29 and 136,386.25 is: 188,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,822.62 : 336,488.29 = 136,386.25 : x
  2. Step 2: Convert to fraction form
    243,822.62/336,488.29 = 136,386.25/x
  3. Step 3: Cross multiply
    243,822.62x = 336,488.29 × 136,386.25
  4. Step 4: Simplify right side
    243,822.62x = 45,892,374,859.83
  5. Step 5: Solve for x
    x = 45,892,374,859.83/243,822.62
  6. Step 6: Final answer
    x = 188,220.33

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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.