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Finding the Fourth Proportional to 277,315.76, 382,695.77 and 149,991.32

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Solution

The fourth proportional to 277,315.76, 382,695.77 and 149,991.32 is: 206,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,315.76 : 382,695.77 = 149,991.32 : x
  2. Step 2: Convert to fraction form
    277,315.76/382,695.77 = 149,991.32/x
  3. Step 3: Cross multiply
    277,315.76x = 382,695.77 × 149,991.32
  4. Step 4: Simplify right side
    277,315.76x = 57,401,043,700.72
  5. Step 5: Solve for x
    x = 57,401,043,700.72/277,315.76
  6. Step 6: Final answer
    x = 206,988.03

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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.