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Finding the Fourth Proportional to 241,429.86, 333,189.99 and 139,489.74

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Solution

The fourth proportional to 241,429.86, 333,189.99 and 139,489.74 is: 192,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,429.86 : 333,189.99 = 139,489.74 : x
  2. Step 2: Convert to fraction form
    241,429.86/333,189.99 = 139,489.74/x
  3. Step 3: Cross multiply
    241,429.86x = 333,189.99 × 139,489.74
  4. Step 4: Simplify right side
    241,429.86x = 46,476,585,075.70
  5. Step 5: Solve for x
    x = 46,476,585,075.70/241,429.86
  6. Step 6: Final answer
    x = 192,505.54

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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.