Home / 277,669.80-382,989.42-170,282.61

Finding the Fourth Proportional to 277,669.80, 382,989.42 and 170,282.61

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Solution

The fourth proportional to 277,669.80, 382,989.42 and 170,282.61 is: 234,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,669.80 : 382,989.42 = 170,282.61 : x
  2. Step 2: Convert to fraction form
    277,669.80/382,989.42 = 170,282.61/x
  3. Step 3: Cross multiply
    277,669.80x = 382,989.42 × 170,282.61
  4. Step 4: Simplify right side
    277,669.80x = 65,216,438,039.99
  5. Step 5: Solve for x
    x = 65,216,438,039.99/277,669.80
  6. Step 6: Final answer
    x = 234,870.48

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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.