Home / 277,318.90-382,700.11-149,994.50

Finding the Fourth Proportional to 277,318.90, 382,700.11 and 149,994.50

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Solution

The fourth proportional to 277,318.90, 382,700.11 and 149,994.50 is: 206,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,318.90 : 382,700.11 = 149,994.50 : x
  2. Step 2: Convert to fraction form
    277,318.90/382,700.11 = 149,994.50/x
  3. Step 3: Cross multiply
    277,318.90x = 382,700.11 × 149,994.50
  4. Step 4: Simplify right side
    277,318.90x = 57,402,911,649.40
  5. Step 5: Solve for x
    x = 57,402,911,649.40/277,318.90
  6. Step 6: Final answer
    x = 206,992.43

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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.