Home / 320,990.18-481,484.11-96,349.64

Finding the Fourth Proportional to 320,990.18, 481,484.11 and 96,349.64

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Solution

The fourth proportional to 320,990.18, 481,484.11 and 96,349.64 is: 144,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,990.18 : 481,484.11 = 96,349.64 : x
  2. Step 2: Convert to fraction form
    320,990.18/481,484.11 = 96,349.64/x
  3. Step 3: Cross multiply
    320,990.18x = 481,484.11 × 96,349.64
  4. Step 4: Simplify right side
    320,990.18x = 46,390,820,664.22
  5. Step 5: Solve for x
    x = 46,390,820,664.22/320,990.18
  6. Step 6: Final answer
    x = 144,524.11

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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.