Home / 345,910.51-518,800.16-146,370.25

Finding the Fourth Proportional to 345,910.51, 518,800.16 and 146,370.25

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Solution

The fourth proportional to 345,910.51, 518,800.16 and 146,370.25 is: 219,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,910.51 : 518,800.16 = 146,370.25 : x
  2. Step 2: Convert to fraction form
    345,910.51/518,800.16 = 146,370.25/x
  3. Step 3: Cross multiply
    345,910.51x = 518,800.16 × 146,370.25
  4. Step 4: Simplify right side
    345,910.51x = 75,936,908,387.39
  5. Step 5: Solve for x
    x = 75,936,908,387.39/345,910.51
  6. Step 6: Final answer
    x = 219,527.61

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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.