Home / 385,368.24-577,993.92-132,609.36

Finding the Fourth Proportional to 385,368.24, 577,993.92 and 132,609.36

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Solution

The fourth proportional to 385,368.24, 577,993.92 and 132,609.36 is: 198,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,368.24 : 577,993.92 = 132,609.36 : x
  2. Step 2: Convert to fraction form
    385,368.24/577,993.92 = 132,609.36/x
  3. Step 3: Cross multiply
    385,368.24x = 577,993.92 × 132,609.36
  4. Step 4: Simplify right side
    385,368.24x = 76,647,403,815.09
  5. Step 5: Solve for x
    x = 76,647,403,815.09/385,368.24
  6. Step 6: Final answer
    x = 198,893.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.