Home / 379,349.35-523,495.89-207,263.61

Finding the Fourth Proportional to 379,349.35, 523,495.89 and 207,263.61

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Solution

The fourth proportional to 379,349.35, 523,495.89 and 207,263.61 is: 286,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,349.35 : 523,495.89 = 207,263.61 : x
  2. Step 2: Convert to fraction form
    379,349.35/523,495.89 = 207,263.61/x
  3. Step 3: Cross multiply
    379,349.35x = 523,495.89 × 207,263.61
  4. Step 4: Simplify right side
    379,349.35x = 108,501,647,398.63
  5. Step 5: Solve for x
    x = 108,501,647,398.63/379,349.35
  6. Step 6: Final answer
    x = 286,020.39

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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.