Home / 641,145.44-961,362.68-262,331.93

Finding the Fourth Proportional to 641,145.44, 961,362.68 and 262,331.93

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Solution

The fourth proportional to 641,145.44, 961,362.68 and 262,331.93 is: 393,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,145.44 : 961,362.68 = 262,331.93 : x
  2. Step 2: Convert to fraction form
    641,145.44/961,362.68 = 262,331.93/x
  3. Step 3: Cross multiply
    641,145.44x = 961,362.68 × 262,331.93
  4. Step 4: Simplify right side
    641,145.44x = 252,196,128,366.12
  5. Step 5: Solve for x
    x = 252,196,128,366.12/641,145.44
  6. Step 6: Final answer
    x = 393,352.45

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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.