Home / 320,266.29-480,024.23-130,608.39

Finding the Fourth Proportional to 320,266.29, 480,024.23 and 130,608.39

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Solution

The fourth proportional to 320,266.29, 480,024.23 and 130,608.39 is: 195,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,266.29 : 480,024.23 = 130,608.39 : x
  2. Step 2: Convert to fraction form
    320,266.29/480,024.23 = 130,608.39/x
  3. Step 3: Cross multiply
    320,266.29x = 480,024.23 × 130,608.39
  4. Step 4: Simplify right side
    320,266.29x = 62,695,191,188.25
  5. Step 5: Solve for x
    x = 62,695,191,188.25/320,266.29
  6. Step 6: Final answer
    x = 195,759.57

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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.