Home / 320,060.08-480,161.60-120,382.18

Finding the Fourth Proportional to 320,060.08, 480,161.60 and 120,382.18

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Solution

The fourth proportional to 320,060.08, 480,161.60 and 120,382.18 is: 180,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,060.08 : 480,161.60 = 120,382.18 : x
  2. Step 2: Convert to fraction form
    320,060.08/480,161.60 = 120,382.18/x
  3. Step 3: Cross multiply
    320,060.08x = 480,161.60 × 120,382.18
  4. Step 4: Simplify right side
    320,060.08x = 57,802,900,160.29
  5. Step 5: Solve for x
    x = 57,802,900,160.29/320,060.08
  6. Step 6: Final answer
    x = 180,600.16

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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.