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Finding the Fourth Proportional to 377,006.68, 520,269.78 and 207,241.84

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Solution

The fourth proportional to 377,006.68, 520,269.78 and 207,241.84 is: 285,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,006.68 : 520,269.78 = 207,241.84 : x
  2. Step 2: Convert to fraction form
    377,006.68/520,269.78 = 207,241.84/x
  3. Step 3: Cross multiply
    377,006.68x = 520,269.78 × 207,241.84
  4. Step 4: Simplify right side
    377,006.68x = 107,821,666,503.60
  5. Step 5: Solve for x
    x = 107,821,666,503.60/377,006.68
  6. Step 6: Final answer
    x = 285,994.05

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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.