Home / 377,927.72-521,531.61-205,840.90

Finding the Fourth Proportional to 377,927.72, 521,531.61 and 205,840.90

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Solution

The fourth proportional to 377,927.72, 521,531.61 and 205,840.90 is: 284,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,927.72 : 521,531.61 = 205,840.90 : x
  2. Step 2: Convert to fraction form
    377,927.72/521,531.61 = 205,840.90/x
  3. Step 3: Cross multiply
    377,927.72x = 521,531.61 × 205,840.90
  4. Step 4: Simplify right side
    377,927.72x = 107,352,534,085.10
  5. Step 5: Solve for x
    x = 107,352,534,085.10/377,927.72
  6. Step 6: Final answer
    x = 284,055.73

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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.