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Finding the Fourth Proportional to 377,514.26, 520,969.77 and 207,748.39

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Solution

The fourth proportional to 377,514.26, 520,969.77 and 207,748.39 is: 286,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,514.26 : 520,969.77 = 207,748.39 : x
  2. Step 2: Convert to fraction form
    377,514.26/520,969.77 = 207,748.39/x
  3. Step 3: Cross multiply
    377,514.26x = 520,969.77 × 207,748.39
  4. Step 4: Simplify right side
    377,514.26x = 108,230,630,118.19
  5. Step 5: Solve for x
    x = 108,230,630,118.19/377,514.26
  6. Step 6: Final answer
    x = 286,692.82

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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.