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Finding the Fourth Proportional to 538,776.82, 808,169.27 and 239,176.86

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Solution

The fourth proportional to 538,776.82, 808,169.27 and 239,176.86 is: 358,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,776.82 : 808,169.27 = 239,176.86 : x
  2. Step 2: Convert to fraction form
    538,776.82/808,169.27 = 239,176.86/x
  3. Step 3: Cross multiply
    538,776.82x = 808,169.27 × 239,176.86
  4. Step 4: Simplify right side
    538,776.82x = 193,295,388,347.09
  5. Step 5: Solve for x
    x = 193,295,388,347.09/538,776.82
  6. Step 6: Final answer
    x = 358,767.08

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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.