Home / 340,928.40-470,440.13-195,726.18

Finding the Fourth Proportional to 340,928.40, 470,440.13 and 195,726.18

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Solution

The fourth proportional to 340,928.40, 470,440.13 and 195,726.18 is: 270,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,928.40 : 470,440.13 = 195,726.18 : x
  2. Step 2: Convert to fraction form
    340,928.40/470,440.13 = 195,726.18/x
  3. Step 3: Cross multiply
    340,928.40x = 470,440.13 × 195,726.18
  4. Step 4: Simplify right side
    340,928.40x = 92,077,448,584.97
  5. Step 5: Solve for x
    x = 92,077,448,584.97/340,928.40
  6. Step 6: Final answer
    x = 270,078.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.