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Finding the Fourth Proportional to 339,611.13, 468,663.44 and 188,708.13

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Solution

The fourth proportional to 339,611.13, 468,663.44 and 188,708.13 is: 260,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,611.13 : 468,663.44 = 188,708.13 : x
  2. Step 2: Convert to fraction form
    339,611.13/468,663.44 = 188,708.13/x
  3. Step 3: Cross multiply
    339,611.13x = 468,663.44 × 188,708.13
  4. Step 4: Simplify right side
    339,611.13x = 88,440,600,418.23
  5. Step 5: Solve for x
    x = 88,440,600,418.23/339,611.13
  6. Step 6: Final answer
    x = 260,417.26

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1.5x scale

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.