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Finding the Fourth Proportional to 326,033.64, 489,120.84 and 101,389.68

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Solution

The fourth proportional to 326,033.64, 489,120.84 and 101,389.68 is: 152,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,033.64 : 489,120.84 = 101,389.68 : x
  2. Step 2: Convert to fraction form
    326,033.64/489,120.84 = 101,389.68/x
  3. Step 3: Cross multiply
    326,033.64x = 489,120.84 × 101,389.68
  4. Step 4: Simplify right side
    326,033.64x = 49,591,805,448.93
  5. Step 5: Solve for x
    x = 49,591,805,448.93/326,033.64
  6. Step 6: Final answer
    x = 152,106.41

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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.