Home / 377,871.03-521,454.18-205,790.88

Finding the Fourth Proportional to 377,871.03, 521,454.18 and 205,790.88

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Solution

The fourth proportional to 377,871.03, 521,454.18 and 205,790.88 is: 283,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,871.03 : 521,454.18 = 205,790.88 : x
  2. Step 2: Convert to fraction form
    377,871.03/521,454.18 = 205,790.88/x
  3. Step 3: Cross multiply
    377,871.03x = 521,454.18 × 205,790.88
  4. Step 4: Simplify right side
    377,871.03x = 107,310,514,581.88
  5. Step 5: Solve for x
    x = 107,310,514,581.88/377,871.03
  6. Step 6: Final answer
    x = 283,987.14

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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.