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Finding the Fourth Proportional to 377,392.77, 520,801.25 and 207,626.49

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Solution

The fourth proportional to 377,392.77, 520,801.25 and 207,626.49 is: 286,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,392.77 : 520,801.25 = 207,626.49 : x
  2. Step 2: Convert to fraction form
    377,392.77/520,801.25 = 207,626.49/x
  3. Step 3: Cross multiply
    377,392.77x = 520,801.25 × 207,626.49
  4. Step 4: Simplify right side
    377,392.77x = 108,132,134,486.98
  5. Step 5: Solve for x
    x = 108,132,134,486.98/377,392.77
  6. Step 6: Final answer
    x = 286,524.13

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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.