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Finding the Fourth Proportional to 501,392.89, 752,318.97 and 217,170.37

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Solution

The fourth proportional to 501,392.89, 752,318.97 and 217,170.37 is: 325,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,392.89 : 752,318.97 = 217,170.37 : x
  2. Step 2: Convert to fraction form
    501,392.89/752,318.97 = 217,170.37/x
  3. Step 3: Cross multiply
    501,392.89x = 752,318.97 × 217,170.37
  4. Step 4: Simplify right side
    501,392.89x = 163,381,390,420.51
  5. Step 5: Solve for x
    x = 163,381,390,420.51/501,392.89
  6. Step 6: Final answer
    x = 325,855.02

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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.