Home / 326,623.22-489,934.85-89,965.92

Finding the Fourth Proportional to 326,623.22, 489,934.85 and 89,965.92

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Solution

The fourth proportional to 326,623.22, 489,934.85 and 89,965.92 is: 134,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,623.22 : 489,934.85 = 89,965.92 : x
  2. Step 2: Convert to fraction form
    326,623.22/489,934.85 = 89,965.92/x
  3. Step 3: Cross multiply
    326,623.22x = 489,934.85 × 89,965.92
  4. Step 4: Simplify right side
    326,623.22x = 44,077,440,907.74
  5. Step 5: Solve for x
    x = 44,077,440,907.74/326,623.22
  6. Step 6: Final answer
    x = 134,948.89

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Similar ratio
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1.5x scale

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.