Home / 345,514.98-476,826.90-202,321.14

Finding the Fourth Proportional to 345,514.98, 476,826.90 and 202,321.14

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Solution

The fourth proportional to 345,514.98, 476,826.90 and 202,321.14 is: 279,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,514.98 : 476,826.90 = 202,321.14 : x
  2. Step 2: Convert to fraction form
    345,514.98/476,826.90 = 202,321.14/x
  3. Step 3: Cross multiply
    345,514.98x = 476,826.90 × 202,321.14
  4. Step 4: Simplify right side
    345,514.98x = 96,472,161,990.67
  5. Step 5: Solve for x
    x = 96,472,161,990.67/345,514.98
  6. Step 6: Final answer
    x = 279,212.68

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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.