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Finding the Fourth Proportional to 508,836.02, 763,342.00 and 171,879.12

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Solution

The fourth proportional to 508,836.02, 763,342.00 and 171,879.12 is: 257,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,836.02 : 763,342.00 = 171,879.12 : x
  2. Step 2: Convert to fraction form
    508,836.02/763,342.00 = 171,879.12/x
  3. Step 3: Cross multiply
    508,836.02x = 763,342.00 × 171,879.12
  4. Step 4: Simplify right side
    508,836.02x = 131,202,550,789.34
  5. Step 5: Solve for x
    x = 131,202,550,789.34/508,836.02
  6. Step 6: Final answer
    x = 257,848.40

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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.