Home / 326,190.04-489,278.88-134,023.61

Finding the Fourth Proportional to 326,190.04, 489,278.88 and 134,023.61

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Solution

The fourth proportional to 326,190.04, 489,278.88 and 134,023.61 is: 201,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,190.04 : 489,278.88 = 134,023.61 : x
  2. Step 2: Convert to fraction form
    326,190.04/489,278.88 = 134,023.61/x
  3. Step 3: Cross multiply
    326,190.04x = 489,278.88 × 134,023.61
  4. Step 4: Simplify right side
    326,190.04x = 65,574,923,017.55
  5. Step 5: Solve for x
    x = 65,574,923,017.55/326,190.04
  6. Step 6: Final answer
    x = 201,032.88

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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.