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Finding the Fourth Proportional to 341,342.64, 511,845.47 and 104,628.24

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Solution

The fourth proportional to 341,342.64, 511,845.47 and 104,628.24 is: 156,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,342.64 : 511,845.47 = 104,628.24 : x
  2. Step 2: Convert to fraction form
    341,342.64/511,845.47 = 104,628.24/x
  3. Step 3: Cross multiply
    341,342.64x = 511,845.47 × 104,628.24
  4. Step 4: Simplify right side
    341,342.64x = 53,553,490,154.93
  5. Step 5: Solve for x
    x = 53,553,490,154.93/341,342.64
  6. Step 6: Final answer
    x = 156,890.71

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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.