Home / 343,013.18-473,207.40-206,971.25

Finding the Fourth Proportional to 343,013.18, 473,207.40 and 206,971.25

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Solution

The fourth proportional to 343,013.18, 473,207.40 and 206,971.25 is: 285,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,013.18 : 473,207.40 = 206,971.25 : x
  2. Step 2: Convert to fraction form
    343,013.18/473,207.40 = 206,971.25/x
  3. Step 3: Cross multiply
    343,013.18x = 473,207.40 × 206,971.25
  4. Step 4: Simplify right side
    343,013.18x = 97,940,324,721.21
  5. Step 5: Solve for x
    x = 97,940,324,721.21/343,013.18
  6. Step 6: Final answer
    x = 285,529.34

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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.