Home / 320,194.24-480,291.37-120,559.41

Finding the Fourth Proportional to 320,194.24, 480,291.37 and 120,559.41

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Solution

The fourth proportional to 320,194.24, 480,291.37 and 120,559.41 is: 180,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,194.24 : 480,291.37 = 120,559.41 : x
  2. Step 2: Convert to fraction form
    320,194.24/480,291.37 = 120,559.41/x
  3. Step 3: Cross multiply
    320,194.24x = 480,291.37 × 120,559.41
  4. Step 4: Simplify right side
    320,194.24x = 57,903,643,893.89
  5. Step 5: Solve for x
    x = 57,903,643,893.89/320,194.24
  6. Step 6: Final answer
    x = 180,839.12

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1.5x scale

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.