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Finding the Fourth Proportional to 501,913.08, 752,286 and 186,168.60

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Solution

The fourth proportional to 501,913.08, 752,286 and 186,168.60 is: 279,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,913.08 : 752,286 = 186,168.60 : x
  2. Step 2: Convert to fraction form
    501,913.08/752,286 = 186,168.60/x
  3. Step 3: Cross multiply
    501,913.08x = 752,286 × 186,168.60
  4. Step 4: Simplify right side
    501,913.08x = 140,052,031,419.60
  5. Step 5: Solve for x
    x = 140,052,031,419.60/501,913.08
  6. Step 6: Final answer
    x = 279,036.42

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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.