Home / 320,280.06-480,439.91-107,067.16

Finding the Fourth Proportional to 320,280.06, 480,439.91 and 107,067.16

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Solution

The fourth proportional to 320,280.06, 480,439.91 and 107,067.16 is: 160,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,280.06 : 480,439.91 = 107,067.16 : x
  2. Step 2: Convert to fraction form
    320,280.06/480,439.91 = 107,067.16/x
  3. Step 3: Cross multiply
    320,280.06x = 480,439.91 × 107,067.16
  4. Step 4: Simplify right side
    320,280.06x = 51,439,336,714.36
  5. Step 5: Solve for x
    x = 51,439,336,714.36/320,280.06
  6. Step 6: Final answer
    x = 160,607.37

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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.