Home / 385,931.07-532,584.87-235,028.07

Finding the Fourth Proportional to 385,931.07, 532,584.87 and 235,028.07

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Solution

The fourth proportional to 385,931.07, 532,584.87 and 235,028.07 is: 324,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,931.07 : 532,584.87 = 235,028.07 : x
  2. Step 2: Convert to fraction form
    385,931.07/532,584.87 = 235,028.07/x
  3. Step 3: Cross multiply
    385,931.07x = 532,584.87 × 235,028.07
  4. Step 4: Simplify right side
    385,931.07x = 125,172,394,107.30
  5. Step 5: Solve for x
    x = 125,172,394,107.30/385,931.07
  6. Step 6: Final answer
    x = 324,338.73

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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.