Home / 339,427.34-468,387.20-186,435.76

Finding the Fourth Proportional to 339,427.34, 468,387.20 and 186,435.76

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Solution

The fourth proportional to 339,427.34, 468,387.20 and 186,435.76 is: 257,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,427.34 : 468,387.20 = 186,435.76 : x
  2. Step 2: Convert to fraction form
    339,427.34/468,387.20 = 186,435.76/x
  3. Step 3: Cross multiply
    339,427.34x = 468,387.20 × 186,435.76
  4. Step 4: Simplify right side
    339,427.34x = 87,324,123,606.27
  5. Step 5: Solve for x
    x = 87,324,123,606.27/339,427.34
  6. Step 6: Final answer
    x = 257,268.97

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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.