Home / 217,279.50-326,063.87-89,300.75

Finding the Fourth Proportional to 217,279.50, 326,063.87 and 89,300.75

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Solution

The fourth proportional to 217,279.50, 326,063.87 and 89,300.75 is: 134,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,279.50 : 326,063.87 = 89,300.75 : x
  2. Step 2: Convert to fraction form
    217,279.50/326,063.87 = 89,300.75/x
  3. Step 3: Cross multiply
    217,279.50x = 326,063.87 × 89,300.75
  4. Step 4: Simplify right side
    217,279.50x = 29,117,746,062.08
  5. Step 5: Solve for x
    x = 29,117,746,062.08/217,279.50
  6. Step 6: Final answer
    x = 134,010.55

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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.