Home / 320,238.23-480,382.13-107,006.87

Finding the Fourth Proportional to 320,238.23, 480,382.13 and 107,006.87

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Solution

The fourth proportional to 320,238.23, 480,382.13 and 107,006.87 is: 160,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,238.23 : 480,382.13 = 107,006.87 : x
  2. Step 2: Convert to fraction form
    320,238.23/480,382.13 = 107,006.87/x
  3. Step 3: Cross multiply
    320,238.23x = 480,382.13 × 107,006.87
  4. Step 4: Simplify right side
    320,238.23x = 51,404,189,603.71
  5. Step 5: Solve for x
    x = 51,404,189,603.71/320,238.23
  6. Step 6: Final answer
    x = 160,518.59

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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.