Home / 235,237.20-351,077.96-212,536.72

Finding the Fourth Proportional to 235,237.20, 351,077.96 and 212,536.72

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Solution

The fourth proportional to 235,237.20, 351,077.96 and 212,536.72 is: 317,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,237.20 : 351,077.96 = 212,536.72 : x
  2. Step 2: Convert to fraction form
    235,237.20/351,077.96 = 212,536.72/x
  3. Step 3: Cross multiply
    235,237.20x = 351,077.96 × 212,536.72
  4. Step 4: Simplify right side
    235,237.20x = 74,616,958,082.69
  5. Step 5: Solve for x
    x = 74,616,958,082.69/235,237.20
  6. Step 6: Final answer
    x = 317,198.80

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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.