Home / 235,234.20-351,073.49-212,533.72

Finding the Fourth Proportional to 235,234.20, 351,073.49 and 212,533.72

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Solution

The fourth proportional to 235,234.20, 351,073.49 and 212,533.72 is: 317,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,234.20 : 351,073.49 = 212,533.72 : x
  2. Step 2: Convert to fraction form
    235,234.20/351,073.49 = 212,533.72/x
  3. Step 3: Cross multiply
    235,234.20x = 351,073.49 × 212,533.72
  4. Step 4: Simplify right side
    235,234.20x = 74,614,954,823.08
  5. Step 5: Solve for x
    x = 74,614,954,823.08/235,234.20
  6. Step 6: Final answer
    x = 317,194.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.