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Finding the Fourth Proportional to 519,274.44, 778,940.01 and 164,262.06

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Solution

The fourth proportional to 519,274.44, 778,940.01 and 164,262.06 is: 246,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,274.44 : 778,940.01 = 164,262.06 : x
  2. Step 2: Convert to fraction form
    519,274.44/778,940.01 = 164,262.06/x
  3. Step 3: Cross multiply
    519,274.44x = 778,940.01 × 164,262.06
  4. Step 4: Simplify right side
    519,274.44x = 127,950,290,659.02
  5. Step 5: Solve for x
    x = 127,950,290,659.02/519,274.44
  6. Step 6: Final answer
    x = 246,402.06

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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.