Home / 659,326.38-988,934.88-210,029.10

Finding the Fourth Proportional to 659,326.38, 988,934.88 and 210,029.10

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Solution

The fourth proportional to 659,326.38, 988,934.88 and 210,029.10 is: 315,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,326.38 : 988,934.88 = 210,029.10 : x
  2. Step 2: Convert to fraction form
    659,326.38/988,934.88 = 210,029.10/x
  3. Step 3: Cross multiply
    659,326.38x = 988,934.88 × 210,029.10
  4. Step 4: Simplify right side
    659,326.38x = 207,705,102,805.01
  5. Step 5: Solve for x
    x = 207,705,102,805.01/659,326.38
  6. Step 6: Final answer
    x = 315,026.23

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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.