Home / 376,500.12-519,616.98-215,332.80

Finding the Fourth Proportional to 376,500.12, 519,616.98 and 215,332.80

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Solution

The fourth proportional to 376,500.12, 519,616.98 and 215,332.80 is: 297,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,500.12 : 519,616.98 = 215,332.80 : x
  2. Step 2: Convert to fraction form
    376,500.12/519,616.98 = 215,332.80/x
  3. Step 3: Cross multiply
    376,500.12x = 519,616.98 × 215,332.80
  4. Step 4: Simplify right side
    376,500.12x = 111,890,579,230.94
  5. Step 5: Solve for x
    x = 111,890,579,230.94/376,500.12
  6. Step 6: Final answer
    x = 297,186.04

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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.