Home / 377,929.72-521,534.38-205,842.90

Finding the Fourth Proportional to 377,929.72, 521,534.38 and 205,842.90

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Solution

The fourth proportional to 377,929.72, 521,534.38 and 205,842.90 is: 284,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,929.72 : 521,534.38 = 205,842.90 : x
  2. Step 2: Convert to fraction form
    377,929.72/521,534.38 = 205,842.90/x
  3. Step 3: Cross multiply
    377,929.72x = 521,534.38 × 205,842.90
  4. Step 4: Simplify right side
    377,929.72x = 107,354,149,228.90
  5. Step 5: Solve for x
    x = 107,354,149,228.90/377,929.72
  6. Step 6: Final answer
    x = 284,058.50

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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.