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Finding the Fourth Proportional to 338,968.96, 508,255.68 and 102,240.64

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Solution

The fourth proportional to 338,968.96, 508,255.68 and 102,240.64 is: 153,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,968.96 : 508,255.68 = 102,240.64 : x
  2. Step 2: Convert to fraction form
    338,968.96/508,255.68 = 102,240.64/x
  3. Step 3: Cross multiply
    338,968.96x = 508,255.68 × 102,240.64
  4. Step 4: Simplify right side
    338,968.96x = 51,964,386,006.84
  5. Step 5: Solve for x
    x = 51,964,386,006.84/338,968.96
  6. Step 6: Final answer
    x = 153,301.31

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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.