Home / 281,839.80-388,732.86-179,935.32

Finding the Fourth Proportional to 281,839.80, 388,732.86 and 179,935.32

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Solution

The fourth proportional to 281,839.80, 388,732.86 and 179,935.32 is: 248,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,839.80 : 388,732.86 = 179,935.32 : x
  2. Step 2: Convert to fraction form
    281,839.80/388,732.86 = 179,935.32/x
  3. Step 3: Cross multiply
    281,839.80x = 388,732.86 × 179,935.32
  4. Step 4: Simplify right side
    281,839.80x = 69,946,771,558.62
  5. Step 5: Solve for x
    x = 69,946,771,558.62/281,839.80
  6. Step 6: Final answer
    x = 248,179.18

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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.