Home / 326,256.04-489,290.09-89,606.44

Finding the Fourth Proportional to 326,256.04, 489,290.09 and 89,606.44

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Solution

The fourth proportional to 326,256.04, 489,290.09 and 89,606.44 is: 134,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,256.04 : 489,290.09 = 89,606.44 : x
  2. Step 2: Convert to fraction form
    326,256.04/489,290.09 = 89,606.44/x
  3. Step 3: Cross multiply
    326,256.04x = 489,290.09 × 89,606.44
  4. Step 4: Simplify right side
    326,256.04x = 43,843,540,869.75
  5. Step 5: Solve for x
    x = 43,843,540,869.75/326,256.04
  6. Step 6: Final answer
    x = 134,383.85

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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.