Home / 310,584.74-428,604.38-195,937.41

Finding the Fourth Proportional to 310,584.74, 428,604.38 and 195,937.41

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Solution

The fourth proportional to 310,584.74, 428,604.38 and 195,937.41 is: 270,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,584.74 : 428,604.38 = 195,937.41 : x
  2. Step 2: Convert to fraction form
    310,584.74/428,604.38 = 195,937.41/x
  3. Step 3: Cross multiply
    310,584.74x = 428,604.38 × 195,937.41
  4. Step 4: Simplify right side
    310,584.74x = 83,979,631,152.17
  5. Step 5: Solve for x
    x = 83,979,631,152.17/310,584.74
  6. Step 6: Final answer
    x = 270,392.01

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1.5x scale

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.