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Finding the Fourth Proportional to 339,188.42, 468,117.16 and 194,007.54

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Solution

The fourth proportional to 339,188.42, 468,117.16 and 194,007.54 is: 267,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,188.42 : 468,117.16 = 194,007.54 : x
  2. Step 2: Convert to fraction form
    339,188.42/468,117.16 = 194,007.54/x
  3. Step 3: Cross multiply
    339,188.42x = 468,117.16 × 194,007.54
  4. Step 4: Simplify right side
    339,188.42x = 90,818,258,643.39
  5. Step 5: Solve for x
    x = 90,818,258,643.39/339,188.42
  6. Step 6: Final answer
    x = 267,751.65

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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.