Home / 384,717.45-577,087.88-131,994.40

Finding the Fourth Proportional to 384,717.45, 577,087.88 and 131,994.40

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Solution

The fourth proportional to 384,717.45, 577,087.88 and 131,994.40 is: 197,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,717.45 : 577,087.88 = 131,994.40 : x
  2. Step 2: Convert to fraction form
    384,717.45/577,087.88 = 131,994.40/x
  3. Step 3: Cross multiply
    384,717.45x = 577,087.88 × 131,994.40
  4. Step 4: Simplify right side
    384,717.45x = 76,172,365,912.42
  5. Step 5: Solve for x
    x = 76,172,365,912.42/384,717.45
  6. Step 6: Final answer
    x = 197,995.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.