Home / 330,831.30-496,246.95-204,860.10

Finding the Fourth Proportional to 330,831.30, 496,246.95 and 204,860.10

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Solution

The fourth proportional to 330,831.30, 496,246.95 and 204,860.10 is: 307,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,831.30 : 496,246.95 = 204,860.10 : x
  2. Step 2: Convert to fraction form
    330,831.30/496,246.95 = 204,860.10/x
  3. Step 3: Cross multiply
    330,831.30x = 496,246.95 × 204,860.10
  4. Step 4: Simplify right side
    330,831.30x = 101,661,199,801.70
  5. Step 5: Solve for x
    x = 101,661,199,801.70/330,831.30
  6. Step 6: Final answer
    x = 307,290.15

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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.