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Finding the Fourth Proportional to 341,967.47, 471,939.54 and 189,002.37

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Solution

The fourth proportional to 341,967.47, 471,939.54 and 189,002.37 is: 260,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,967.47 : 471,939.54 = 189,002.37 : x
  2. Step 2: Convert to fraction form
    341,967.47/471,939.54 = 189,002.37/x
  3. Step 3: Cross multiply
    341,967.47x = 471,939.54 × 189,002.37
  4. Step 4: Simplify right side
    341,967.47x = 89,197,691,556.71
  5. Step 5: Solve for x
    x = 89,197,691,556.71/341,967.47
  6. Step 6: Final answer
    x = 260,836.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.