Home / 345,032.19-476,195.31-207,220.41

Finding the Fourth Proportional to 345,032.19, 476,195.31 and 207,220.41

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Solution

The fourth proportional to 345,032.19, 476,195.31 and 207,220.41 is: 285,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,032.19 : 476,195.31 = 207,220.41 : x
  2. Step 2: Convert to fraction form
    345,032.19/476,195.31 = 207,220.41/x
  3. Step 3: Cross multiply
    345,032.19x = 476,195.31 × 207,220.41
  4. Step 4: Simplify right side
    345,032.19x = 98,677,387,378.28
  5. Step 5: Solve for x
    x = 98,677,387,378.28/345,032.19
  6. Step 6: Final answer
    x = 285,994.73

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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.