Home / 320,192.01-480,287.97-120,557.16

Finding the Fourth Proportional to 320,192.01, 480,287.97 and 120,557.16

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Solution

The fourth proportional to 320,192.01, 480,287.97 and 120,557.16 is: 180,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,192.01 : 480,287.97 = 120,557.16 : x
  2. Step 2: Convert to fraction form
    320,192.01/480,287.97 = 120,557.16/x
  3. Step 3: Cross multiply
    320,192.01x = 480,287.97 × 120,557.16
  4. Step 4: Simplify right side
    320,192.01x = 57,902,153,645.37
  5. Step 5: Solve for x
    x = 57,902,153,645.37/320,192.01
  6. Step 6: Final answer
    x = 180,835.72

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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.