Home / 522,618.18-783,925.68-143,539.25

Finding the Fourth Proportional to 522,618.18, 783,925.68 and 143,539.25

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Solution

The fourth proportional to 522,618.18, 783,925.68 and 143,539.25 is: 215,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,618.18 : 783,925.68 = 143,539.25 : x
  2. Step 2: Convert to fraction form
    522,618.18/783,925.68 = 143,539.25/x
  3. Step 3: Cross multiply
    522,618.18x = 783,925.68 × 143,539.25
  4. Step 4: Simplify right side
    522,618.18x = 112,524,100,243.31
  5. Step 5: Solve for x
    x = 112,524,100,243.31/522,618.18
  6. Step 6: Final answer
    x = 215,308.43

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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.