Home / 342,223.06-472,270.96-189,253.35

Finding the Fourth Proportional to 342,223.06, 472,270.96 and 189,253.35

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Solution

The fourth proportional to 342,223.06, 472,270.96 and 189,253.35 is: 261,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,223.06 : 472,270.96 = 189,253.35 : x
  2. Step 2: Convert to fraction form
    342,223.06/472,270.96 = 189,253.35/x
  3. Step 3: Cross multiply
    342,223.06x = 472,270.96 × 189,253.35
  4. Step 4: Simplify right side
    342,223.06x = 89,378,861,287.72
  5. Step 5: Solve for x
    x = 89,378,861,287.72/342,223.06
  6. Step 6: Final answer
    x = 261,171.36

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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.