Home / 379,145.34-523,223.10-207,058.86

Finding the Fourth Proportional to 379,145.34, 523,223.10 and 207,058.86

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Solution

The fourth proportional to 379,145.34, 523,223.10 and 207,058.86 is: 285,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,145.34 : 523,223.10 = 207,058.86 : x
  2. Step 2: Convert to fraction form
    379,145.34/523,223.10 = 207,058.86/x
  3. Step 3: Cross multiply
    379,145.34x = 523,223.10 × 207,058.86
  4. Step 4: Simplify right side
    379,145.34x = 108,337,978,611.67
  5. Step 5: Solve for x
    x = 108,337,978,611.67/379,145.34
  6. Step 6: Final answer
    x = 285,742.61

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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.