Home / 342,220.06-472,266.82-189,250.35

Finding the Fourth Proportional to 342,220.06, 472,266.82 and 189,250.35

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Solution

The fourth proportional to 342,220.06, 472,266.82 and 189,250.35 is: 261,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,220.06 : 472,266.82 = 189,250.35 : x
  2. Step 2: Convert to fraction form
    342,220.06/472,266.82 = 189,250.35/x
  3. Step 3: Cross multiply
    342,220.06x = 472,266.82 × 189,250.35
  4. Step 4: Simplify right side
    342,220.06x = 89,376,660,978.39
  5. Step 5: Solve for x
    x = 89,376,660,978.39/342,220.06
  6. Step 6: Final answer
    x = 261,167.22

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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.