Home / 326,252.32-489,320.04-89,563.84

Finding the Fourth Proportional to 326,252.32, 489,320.04 and 89,563.84

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Solution

The fourth proportional to 326,252.32, 489,320.04 and 89,563.84 is: 134,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,252.32 : 489,320.04 = 89,563.84 : x
  2. Step 2: Convert to fraction form
    326,252.32/489,320.04 = 89,563.84/x
  3. Step 3: Cross multiply
    326,252.32x = 489,320.04 × 89,563.84
  4. Step 4: Simplify right side
    326,252.32x = 43,825,381,771.35
  5. Step 5: Solve for x
    x = 43,825,381,771.35/326,252.32
  6. Step 6: Final answer
    x = 134,329.72

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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.