Home / 379,259.15-523,372.19-207,175.05

Finding the Fourth Proportional to 379,259.15, 523,372.19 and 207,175.05

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Solution

The fourth proportional to 379,259.15, 523,372.19 and 207,175.05 is: 285,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,259.15 : 523,372.19 = 207,175.05 : x
  2. Step 2: Convert to fraction form
    379,259.15/523,372.19 = 207,175.05/x
  3. Step 3: Cross multiply
    379,259.15x = 523,372.19 × 207,175.05
  4. Step 4: Simplify right side
    379,259.15x = 108,429,658,595.98
  5. Step 5: Solve for x
    x = 108,429,658,595.98/379,259.15
  6. Step 6: Final answer
    x = 285,898.60

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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.