Home / 320,239.17-479,362.32-201,661.38

Finding the Fourth Proportional to 320,239.17, 479,362.32 and 201,661.38

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Solution

The fourth proportional to 320,239.17, 479,362.32 and 201,661.38 is: 301,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,239.17 : 479,362.32 = 201,661.38 : x
  2. Step 2: Convert to fraction form
    320,239.17/479,362.32 = 201,661.38/x
  3. Step 3: Cross multiply
    320,239.17x = 479,362.32 × 201,661.38
  4. Step 4: Simplify right side
    320,239.17x = 96,668,866,971.20
  5. Step 5: Solve for x
    x = 96,668,866,971.20/320,239.17
  6. Step 6: Final answer
    x = 301,864.59

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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.