Home / 320,501.16-480,761.58-110,136.12

Finding the Fourth Proportional to 320,501.16, 480,761.58 and 110,136.12

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Solution

The fourth proportional to 320,501.16, 480,761.58 and 110,136.12 is: 165,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,501.16 : 480,761.58 = 110,136.12 : x
  2. Step 2: Convert to fraction form
    320,501.16/480,761.58 = 110,136.12/x
  3. Step 3: Cross multiply
    320,501.16x = 480,761.58 × 110,136.12
  4. Step 4: Simplify right side
    320,501.16x = 52,949,215,066.27
  5. Step 5: Solve for x
    x = 52,949,215,066.27/320,501.16
  6. Step 6: Final answer
    x = 165,207.56

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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.