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Finding the Fourth Proportional to 339,465.06, 468,476.62 and 188,562.06

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Solution

The fourth proportional to 339,465.06, 468,476.62 and 188,562.06 is: 260,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,465.06 : 468,476.62 = 188,562.06 : x
  2. Step 2: Convert to fraction form
    339,465.06/468,476.62 = 188,562.06/x
  3. Step 3: Cross multiply
    339,465.06x = 468,476.62 × 188,562.06
  4. Step 4: Simplify right side
    339,465.06x = 88,336,916,529.04
  5. Step 5: Solve for x
    x = 88,336,916,529.04/339,465.06
  6. Step 6: Final answer
    x = 260,223.88

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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.