Home / 377,620.22-521,116.04-207,853.13

Finding the Fourth Proportional to 377,620.22, 521,116.04 and 207,853.13

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Solution

The fourth proportional to 377,620.22, 521,116.04 and 207,853.13 is: 286,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,620.22 : 521,116.04 = 207,853.13 : x
  2. Step 2: Convert to fraction form
    377,620.22/521,116.04 = 207,853.13/x
  3. Step 3: Cross multiply
    377,620.22x = 521,116.04 × 207,853.13
  4. Step 4: Simplify right side
    377,620.22x = 108,315,597,921.26
  5. Step 5: Solve for x
    x = 108,315,597,921.26/377,620.22
  6. Step 6: Final answer
    x = 286,837.39

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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.