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Finding the Fourth Proportional to 254,230.89, 350,837.65 and 139,511.47

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Solution

The fourth proportional to 254,230.89, 350,837.65 and 139,511.47 is: 192,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,230.89 : 350,837.65 = 139,511.47 : x
  2. Step 2: Convert to fraction form
    254,230.89/350,837.65 = 139,511.47/x
  3. Step 3: Cross multiply
    254,230.89x = 350,837.65 × 139,511.47
  4. Step 4: Simplify right side
    254,230.89x = 48,945,876,282.85
  5. Step 5: Solve for x
    x = 48,945,876,282.85/254,230.89
  6. Step 6: Final answer
    x = 192,525.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.