Home / 320,150.34-480,473.37-120,652.20

Finding the Fourth Proportional to 320,150.34, 480,473.37 and 120,652.20

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Solution

The fourth proportional to 320,150.34, 480,473.37 and 120,652.20 is: 181,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,150.34 : 480,473.37 = 120,652.20 : x
  2. Step 2: Convert to fraction form
    320,150.34/480,473.37 = 120,652.20/x
  3. Step 3: Cross multiply
    320,150.34x = 480,473.37 × 120,652.20
  4. Step 4: Simplify right side
    320,150.34x = 57,970,169,131.91
  5. Step 5: Solve for x
    x = 57,970,169,131.91/320,150.34
  6. Step 6: Final answer
    x = 181,071.71

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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.