Home / 310,206.58-427,976.08-202,839.46

Finding the Fourth Proportional to 310,206.58, 427,976.08 and 202,839.46

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Solution

The fourth proportional to 310,206.58, 427,976.08 and 202,839.46 is: 279,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,206.58 : 427,976.08 = 202,839.46 : x
  2. Step 2: Convert to fraction form
    310,206.58/427,976.08 = 202,839.46/x
  3. Step 3: Cross multiply
    310,206.58x = 427,976.08 × 202,839.46
  4. Step 4: Simplify right side
    310,206.58x = 86,810,436,960.12
  5. Step 5: Solve for x
    x = 86,810,436,960.12/310,206.58
  6. Step 6: Final answer
    x = 279,847.18

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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.