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Finding the Fourth Proportional to 254,225.66, 350,819.64 and 139,501.85

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Solution

The fourth proportional to 254,225.66, 350,819.64 and 139,501.85 is: 192,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,225.66 : 350,819.64 = 139,501.85 : x
  2. Step 2: Convert to fraction form
    254,225.66/350,819.64 = 139,501.85/x
  3. Step 3: Cross multiply
    254,225.66x = 350,819.64 × 139,501.85
  4. Step 4: Simplify right side
    254,225.66x = 48,939,987,042.24
  5. Step 5: Solve for x
    x = 48,939,987,042.24/254,225.66
  6. Step 6: Final answer
    x = 192,506.09

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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.