Home / 659,297.12-989,094.84-210,043.58

Finding the Fourth Proportional to 659,297.12, 989,094.84 and 210,043.58

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Solution

The fourth proportional to 659,297.12, 989,094.84 and 210,043.58 is: 315,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,297.12 : 989,094.84 = 210,043.58 : x
  2. Step 2: Convert to fraction form
    659,297.12/989,094.84 = 210,043.58/x
  3. Step 3: Cross multiply
    659,297.12x = 989,094.84 × 210,043.58
  4. Step 4: Simplify right side
    659,297.12x = 207,753,016,207.65
  5. Step 5: Solve for x
    x = 207,753,016,207.65/659,297.12
  6. Step 6: Final answer
    x = 315,112.89

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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.