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Finding the Fourth Proportional to 377,006.57, 520,255.87 and 207,239.48

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Solution

The fourth proportional to 377,006.57, 520,255.87 and 207,239.48 is: 285,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,006.57 : 520,255.87 = 207,239.48 : x
  2. Step 2: Convert to fraction form
    377,006.57/520,255.87 = 207,239.48/x
  3. Step 3: Cross multiply
    377,006.57x = 520,255.87 × 207,239.48
  4. Step 4: Simplify right side
    377,006.57x = 107,817,552,846.37
  5. Step 5: Solve for x
    x = 107,817,552,846.37/377,006.57
  6. Step 6: Final answer
    x = 285,983.22

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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.