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Finding the Fourth Proportional to 501,673.85, 752,625.71 and 217,412.09

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Solution

The fourth proportional to 501,673.85, 752,625.71 and 217,412.09 is: 326,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,673.85 : 752,625.71 = 217,412.09 : x
  2. Step 2: Convert to fraction form
    501,673.85/752,625.71 = 217,412.09/x
  3. Step 3: Cross multiply
    501,673.85x = 752,625.71 × 217,412.09
  4. Step 4: Simplify right side
    501,673.85x = 163,629,928,598.83
  5. Step 5: Solve for x
    x = 163,629,928,598.83/501,673.85
  6. Step 6: Final answer
    x = 326,167.94

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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.