Home / 266,860.32-368,140-164,849.08

Finding the Fourth Proportional to 266,860.32, 368,140 and 164,849.08

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Solution

The fourth proportional to 266,860.32, 368,140 and 164,849.08 is: 227,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,860.32 : 368,140 = 164,849.08 : x
  2. Step 2: Convert to fraction form
    266,860.32/368,140 = 164,849.08/x
  3. Step 3: Cross multiply
    266,860.32x = 368,140 × 164,849.08
  4. Step 4: Simplify right side
    266,860.32x = 60,687,540,311.20
  5. Step 5: Solve for x
    x = 60,687,540,311.20/266,860.32
  6. Step 6: Final answer
    x = 227,413.13

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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.