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Finding the Fourth Proportional to 360,813.83, 497,910.84 and 199,675.67

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Solution

The fourth proportional to 360,813.83, 497,910.84 and 199,675.67 is: 275,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,813.83 : 497,910.84 = 199,675.67 : x
  2. Step 2: Convert to fraction form
    360,813.83/497,910.84 = 199,675.67/x
  3. Step 3: Cross multiply
    360,813.83x = 497,910.84 × 199,675.67
  4. Step 4: Simplify right side
    360,813.83x = 99,420,679,578.88
  5. Step 5: Solve for x
    x = 99,420,679,578.88/360,813.83
  6. Step 6: Final answer
    x = 275,545.65

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1.5x scale

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.