Home / 376,572.24-519,664.01-215,466.89

Finding the Fourth Proportional to 376,572.24, 519,664.01 and 215,466.89

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Solution

The fourth proportional to 376,572.24, 519,664.01 and 215,466.89 is: 297,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,572.24 : 519,664.01 = 215,466.89 : x
  2. Step 2: Convert to fraction form
    376,572.24/519,664.01 = 215,466.89/x
  3. Step 3: Cross multiply
    376,572.24x = 519,664.01 × 215,466.89
  4. Step 4: Simplify right side
    376,572.24x = 111,970,384,403.97
  5. Step 5: Solve for x
    x = 111,970,384,403.97/376,572.24
  6. Step 6: Final answer
    x = 297,341.05

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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.