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Finding the Fourth Proportional to 356,429.45, 534,651.01 and 116,544.26

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Solution

The fourth proportional to 356,429.45, 534,651.01 and 116,544.26 is: 174,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,429.45 : 534,651.01 = 116,544.26 : x
  2. Step 2: Convert to fraction form
    356,429.45/534,651.01 = 116,544.26/x
  3. Step 3: Cross multiply
    356,429.45x = 534,651.01 × 116,544.26
  4. Step 4: Simplify right side
    356,429.45x = 62,310,503,354.09
  5. Step 5: Solve for x
    x = 62,310,503,354.09/356,429.45
  6. Step 6: Final answer
    x = 174,818.62

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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.