Home / 326,004.79-489,003.23-89,347.27

Finding the Fourth Proportional to 326,004.79, 489,003.23 and 89,347.27

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Solution

The fourth proportional to 326,004.79, 489,003.23 and 89,347.27 is: 134,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,004.79 : 489,003.23 = 89,347.27 : x
  2. Step 2: Convert to fraction form
    326,004.79/489,003.23 = 89,347.27/x
  3. Step 3: Cross multiply
    326,004.79x = 489,003.23 × 89,347.27
  4. Step 4: Simplify right side
    326,004.79x = 43,691,103,174.95
  5. Step 5: Solve for x
    x = 43,691,103,174.95/326,004.79
  6. Step 6: Final answer
    x = 134,019.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.