Home / 325,279.16-449,089.00-209,039.77

Finding the Fourth Proportional to 325,279.16, 449,089.00 and 209,039.77

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Solution

The fourth proportional to 325,279.16, 449,089.00 and 209,039.77 is: 288,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,279.16 : 449,089.00 = 209,039.77 : x
  2. Step 2: Convert to fraction form
    325,279.16/449,089.00 = 209,039.77/x
  3. Step 3: Cross multiply
    325,279.16x = 449,089.00 × 209,039.77
  4. Step 4: Simplify right side
    325,279.16x = 93,877,461,308.29
  5. Step 5: Solve for x
    x = 93,877,461,308.29/325,279.16
  6. Step 6: Final answer
    x = 288,605.83

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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.