Home / 454,470.64-681,632.13-214,584.08

Finding the Fourth Proportional to 454,470.64, 681,632.13 and 214,584.08

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Solution

The fourth proportional to 454,470.64, 681,632.13 and 214,584.08 is: 321,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,470.64 : 681,632.13 = 214,584.08 : x
  2. Step 2: Convert to fraction form
    454,470.64/681,632.13 = 214,584.08/x
  3. Step 3: Cross multiply
    454,470.64x = 681,632.13 × 214,584.08
  4. Step 4: Simplify right side
    454,470.64x = 146,267,399,033.41
  5. Step 5: Solve for x
    x = 146,267,399,033.41/454,470.64
  6. Step 6: Final answer
    x = 321,841.25

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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.