Home / 217,123.20-298,814.40-179,107.20

Finding the Fourth Proportional to 217,123.20, 298,814.40 and 179,107.20

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Solution

The fourth proportional to 217,123.20, 298,814.40 and 179,107.20 is: 246,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,123.20 : 298,814.40 = 179,107.20 : x
  2. Step 2: Convert to fraction form
    217,123.20/298,814.40 = 179,107.20/x
  3. Step 3: Cross multiply
    217,123.20x = 298,814.40 × 179,107.20
  4. Step 4: Simplify right side
    217,123.20x = 53,519,810,503.68
  5. Step 5: Solve for x
    x = 53,519,810,503.68/217,123.20
  6. Step 6: Final answer
    x = 246,495.13

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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.