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Finding the Fourth Proportional to 346,380.26, 519,167.01 and 146,634.26

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Solution

The fourth proportional to 346,380.26, 519,167.01 and 146,634.26 is: 219,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,380.26 : 519,167.01 = 146,634.26 : x
  2. Step 2: Convert to fraction form
    346,380.26/519,167.01 = 146,634.26/x
  3. Step 3: Cross multiply
    346,380.26x = 519,167.01 × 146,634.26
  4. Step 4: Simplify right side
    346,380.26x = 76,127,670,327.76
  5. Step 5: Solve for x
    x = 76,127,670,327.76/346,380.26
  6. Step 6: Final answer
    x = 219,780.63

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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.