Home / 377,513.19-520,968.28-207,747.31

Finding the Fourth Proportional to 377,513.19, 520,968.28 and 207,747.31

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Solution

The fourth proportional to 377,513.19, 520,968.28 and 207,747.31 is: 286,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,513.19 : 520,968.28 = 207,747.31 : x
  2. Step 2: Convert to fraction form
    377,513.19/520,968.28 = 207,747.31/x
  3. Step 3: Cross multiply
    377,513.19x = 520,968.28 × 207,747.31
  4. Step 4: Simplify right side
    377,513.19x = 108,229,758,765.33
  5. Step 5: Solve for x
    x = 108,229,758,765.33/377,513.19
  6. Step 6: Final answer
    x = 286,691.33

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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.