Home / 339,490.74-468,505.09-186,538.50

Finding the Fourth Proportional to 339,490.74, 468,505.09 and 186,538.50

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Solution

The fourth proportional to 339,490.74, 468,505.09 and 186,538.50 is: 257,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,490.74 : 468,505.09 = 186,538.50 : x
  2. Step 2: Convert to fraction form
    339,490.74/468,505.09 = 186,538.50/x
  3. Step 3: Cross multiply
    339,490.74x = 468,505.09 × 186,538.50
  4. Step 4: Simplify right side
    339,490.74x = 87,394,236,730.97
  5. Step 5: Solve for x
    x = 87,394,236,730.97/339,490.74
  6. Step 6: Final answer
    x = 257,427.45

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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.