Home / 370,723.77-511,590.21-209,571.94

Finding the Fourth Proportional to 370,723.77, 511,590.21 and 209,571.94

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Solution

The fourth proportional to 370,723.77, 511,590.21 and 209,571.94 is: 289,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,723.77 : 511,590.21 = 209,571.94 : x
  2. Step 2: Convert to fraction form
    370,723.77/511,590.21 = 209,571.94/x
  3. Step 3: Cross multiply
    370,723.77x = 511,590.21 × 209,571.94
  4. Step 4: Simplify right side
    370,723.77x = 107,214,950,236.76
  5. Step 5: Solve for x
    x = 107,214,950,236.76/370,723.77
  6. Step 6: Final answer
    x = 289,204.42

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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.