Home / 377,454.75-520,891.20-207,692.52

Finding the Fourth Proportional to 377,454.75, 520,891.20 and 207,692.52

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Solution

The fourth proportional to 377,454.75, 520,891.20 and 207,692.52 is: 286,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,454.75 : 520,891.20 = 207,692.52 : x
  2. Step 2: Convert to fraction form
    377,454.75/520,891.20 = 207,692.52/x
  3. Step 3: Cross multiply
    377,454.75x = 520,891.20 × 207,692.52
  4. Step 4: Simplify right side
    377,454.75x = 108,185,205,973.82
  5. Step 5: Solve for x
    x = 108,185,205,973.82/377,454.75
  6. Step 6: Final answer
    x = 286,617.68

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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.