Home / 659,443.58-989,146.82-210,191.37

Finding the Fourth Proportional to 659,443.58, 989,146.82 and 210,191.37

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Solution

The fourth proportional to 659,443.58, 989,146.82 and 210,191.37 is: 315,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,443.58 : 989,146.82 = 210,191.37 : x
  2. Step 2: Convert to fraction form
    659,443.58/989,146.82 = 210,191.37/x
  3. Step 3: Cross multiply
    659,443.58x = 989,146.82 × 210,191.37
  4. Step 4: Simplify right side
    659,443.58x = 207,910,124,175.99
  5. Step 5: Solve for x
    x = 207,910,124,175.99/659,443.58
  6. Step 6: Final answer
    x = 315,281.14

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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.