Home / 320,259.06-480,438.41-106,960.95

Finding the Fourth Proportional to 320,259.06, 480,438.41 and 106,960.95

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Solution

The fourth proportional to 320,259.06, 480,438.41 and 106,960.95 is: 160,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,259.06 : 480,438.41 = 106,960.95 : x
  2. Step 2: Convert to fraction form
    320,259.06/480,438.41 = 106,960.95/x
  3. Step 3: Cross multiply
    320,259.06x = 480,438.41 × 106,960.95
  4. Step 4: Simplify right side
    320,259.06x = 51,388,148,215.28
  5. Step 5: Solve for x
    x = 51,388,148,215.28/320,259.06
  6. Step 6: Final answer
    x = 160,458.06

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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.