Home / 259,631.52-388,658.16-166,202.88

Finding the Fourth Proportional to 259,631.52, 388,658.16 and 166,202.88

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Solution

The fourth proportional to 259,631.52, 388,658.16 and 166,202.88 is: 248,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,631.52 : 388,658.16 = 166,202.88 : x
  2. Step 2: Convert to fraction form
    259,631.52/388,658.16 = 166,202.88/x
  3. Step 3: Cross multiply
    259,631.52x = 388,658.16 × 166,202.88
  4. Step 4: Simplify right side
    259,631.52x = 64,596,105,527.50
  5. Step 5: Solve for x
    x = 64,596,105,527.50/259,631.52
  6. Step 6: Final answer
    x = 248,799.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.