Home / 377,006.07-520,255.18-207,238.98

Finding the Fourth Proportional to 377,006.07, 520,255.18 and 207,238.98

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Solution

The fourth proportional to 377,006.07, 520,255.18 and 207,238.98 is: 285,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,006.07 : 520,255.18 = 207,238.98 : x
  2. Step 2: Convert to fraction form
    377,006.07/520,255.18 = 207,238.98/x
  3. Step 3: Cross multiply
    377,006.07x = 520,255.18 × 207,238.98
  4. Step 4: Simplify right side
    377,006.07x = 107,817,149,723.54
  5. Step 5: Solve for x
    x = 107,817,149,723.54/377,006.07
  6. Step 6: Final answer
    x = 285,982.53

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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.