Home / 277,297.41-382,669.31-156,438.70

Finding the Fourth Proportional to 277,297.41, 382,669.31 and 156,438.70

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Solution

The fourth proportional to 277,297.41, 382,669.31 and 156,438.70 is: 215,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,297.41 : 382,669.31 = 156,438.70 : x
  2. Step 2: Convert to fraction form
    277,297.41/382,669.31 = 156,438.70/x
  3. Step 3: Cross multiply
    277,297.41x = 382,669.31 × 156,438.70
  4. Step 4: Simplify right side
    277,297.41x = 59,864,289,386.30
  5. Step 5: Solve for x
    x = 59,864,289,386.30/277,297.41
  6. Step 6: Final answer
    x = 215,884.78

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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.