Home / 342,826.20-472,943.10-222,006.39

Finding the Fourth Proportional to 342,826.20, 472,943.10 and 222,006.39

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Solution

The fourth proportional to 342,826.20, 472,943.10 and 222,006.39 is: 306,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,826.20 : 472,943.10 = 222,006.39 : x
  2. Step 2: Convert to fraction form
    342,826.20/472,943.10 = 222,006.39/x
  3. Step 3: Cross multiply
    342,826.20x = 472,943.10 × 222,006.39
  4. Step 4: Simplify right side
    342,826.20x = 104,996,393,355.85
  5. Step 5: Solve for x
    x = 104,996,393,355.85/342,826.20
  6. Step 6: Final answer
    x = 306,267.12

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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.