Home / 320,269.24-480,240.64-106,960.42

Finding the Fourth Proportional to 320,269.24, 480,240.64 and 106,960.42

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Solution

The fourth proportional to 320,269.24, 480,240.64 and 106,960.42 is: 160,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,269.24 : 480,240.64 = 106,960.42 : x
  2. Step 2: Convert to fraction form
    320,269.24/480,240.64 = 106,960.42/x
  3. Step 3: Cross multiply
    320,269.24x = 480,240.64 × 106,960.42
  4. Step 4: Simplify right side
    320,269.24x = 51,366,740,555.47
  5. Step 5: Solve for x
    x = 51,366,740,555.47/320,269.24
  6. Step 6: Final answer
    x = 160,386.12

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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.