Home / 659,252.18-988,550.82-209,914.40

Finding the Fourth Proportional to 659,252.18, 988,550.82 and 209,914.40

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Solution

The fourth proportional to 659,252.18, 988,550.82 and 209,914.40 is: 314,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,252.18 : 988,550.82 = 209,914.40 : x
  2. Step 2: Convert to fraction form
    659,252.18/988,550.82 = 209,914.40/x
  3. Step 3: Cross multiply
    659,252.18x = 988,550.82 × 209,914.40
  4. Step 4: Simplify right side
    659,252.18x = 207,511,052,249.81
  5. Step 5: Solve for x
    x = 207,511,052,249.81/659,252.18
  6. Step 6: Final answer
    x = 314,767.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.