Home / 342,823.38-472,939.27-222,003.57

Finding the Fourth Proportional to 342,823.38, 472,939.27 and 222,003.57

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Solution

The fourth proportional to 342,823.38, 472,939.27 and 222,003.57 is: 306,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,823.38 : 472,939.27 = 222,003.57 : x
  2. Step 2: Convert to fraction form
    342,823.38/472,939.27 = 222,003.57/x
  3. Step 3: Cross multiply
    342,823.38x = 472,939.27 × 222,003.57
  4. Step 4: Simplify right side
    342,823.38x = 104,994,206,333.19
  5. Step 5: Solve for x
    x = 104,994,206,333.19/342,823.38
  6. Step 6: Final answer
    x = 306,263.26

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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.