Home / 281,235.12-388,044.45-166,549.79

Finding the Fourth Proportional to 281,235.12, 388,044.45 and 166,549.79

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Solution

The fourth proportional to 281,235.12, 388,044.45 and 166,549.79 is: 229,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,235.12 : 388,044.45 = 166,549.79 : x
  2. Step 2: Convert to fraction form
    281,235.12/388,044.45 = 166,549.79/x
  3. Step 3: Cross multiply
    281,235.12x = 388,044.45 × 166,549.79
  4. Step 4: Simplify right side
    281,235.12x = 64,628,719,717.94
  5. Step 5: Solve for x
    x = 64,628,719,717.94/281,235.12
  6. Step 6: Final answer
    x = 229,803.16

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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.