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Finding the Fourth Proportional to 340,540.94, 510,808.62 and 127,362.62

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Solution

The fourth proportional to 340,540.94, 510,808.62 and 127,362.62 is: 191,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,540.94 : 510,808.62 = 127,362.62 : x
  2. Step 2: Convert to fraction form
    340,540.94/510,808.62 = 127,362.62/x
  3. Step 3: Cross multiply
    340,540.94x = 510,808.62 × 127,362.62
  4. Step 4: Simplify right side
    340,540.94x = 65,057,924,161.78
  5. Step 5: Solve for x
    x = 65,057,924,161.78/340,540.94
  6. Step 6: Final answer
    x = 191,042.89

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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.