Home / 349,786.64-521,951.96-312,087.62

Finding the Fourth Proportional to 349,786.64, 521,951.96 and 312,087.62

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Solution

The fourth proportional to 349,786.64, 521,951.96 and 312,087.62 is: 465,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,786.64 : 521,951.96 = 312,087.62 : x
  2. Step 2: Convert to fraction form
    349,786.64/521,951.96 = 312,087.62/x
  3. Step 3: Cross multiply
    349,786.64x = 521,951.96 × 312,087.62
  4. Step 4: Simplify right side
    349,786.64x = 162,894,740,780.54
  5. Step 5: Solve for x
    x = 162,894,740,780.54/349,786.64
  6. Step 6: Final answer
    x = 465,697.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.