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Finding the Fourth Proportional to 342,608.26, 472,850.07 and 197,386.39

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Solution

The fourth proportional to 342,608.26, 472,850.07 and 197,386.39 is: 272,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,608.26 : 472,850.07 = 197,386.39 : x
  2. Step 2: Convert to fraction form
    342,608.26/472,850.07 = 197,386.39/x
  3. Step 3: Cross multiply
    342,608.26x = 472,850.07 × 197,386.39
  4. Step 4: Simplify right side
    342,608.26x = 93,334,167,341.62
  5. Step 5: Solve for x
    x = 93,334,167,341.62/342,608.26
  6. Step 6: Final answer
    x = 272,422.41

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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.