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Finding the Fourth Proportional to 339,588.48, 468,611.52 and 188,680.32

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Solution

The fourth proportional to 339,588.48, 468,611.52 and 188,680.32 is: 260,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,588.48 : 468,611.52 = 188,680.32 : x
  2. Step 2: Convert to fraction form
    339,588.48/468,611.52 = 188,680.32/x
  3. Step 3: Cross multiply
    339,588.48x = 468,611.52 × 188,680.32
  4. Step 4: Simplify right side
    339,588.48x = 88,417,771,549.29
  5. Step 5: Solve for x
    x = 88,417,771,549.29/339,588.48
  6. Step 6: Final answer
    x = 260,367.41

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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.