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Finding the Fourth Proportional to 501,668.93, 752,618.34 and 217,407.20

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Solution

The fourth proportional to 501,668.93, 752,618.34 and 217,407.20 is: 326,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,668.93 : 752,618.34 = 217,407.20 : x
  2. Step 2: Convert to fraction form
    501,668.93/752,618.34 = 217,407.20/x
  3. Step 3: Cross multiply
    501,668.93x = 752,618.34 × 217,407.20
  4. Step 4: Simplify right side
    501,668.93x = 163,624,645,027.28
  5. Step 5: Solve for x
    x = 163,624,645,027.28/501,668.93
  6. Step 6: Final answer
    x = 326,160.61

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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.