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Finding the Fourth Proportional to 339,373.37, 508,587.15 and 255,035.04

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Solution

The fourth proportional to 339,373.37, 508,587.15 and 255,035.04 is: 382,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,373.37 : 508,587.15 = 255,035.04 : x
  2. Step 2: Convert to fraction form
    339,373.37/508,587.15 = 255,035.04/x
  3. Step 3: Cross multiply
    339,373.37x = 508,587.15 × 255,035.04
  4. Step 4: Simplify right side
    339,373.37x = 129,707,544,143.74
  5. Step 5: Solve for x
    x = 129,707,544,143.74/339,373.37
  6. Step 6: Final answer
    x = 382,197.18

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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.