Home / 659,427.74-989,003.10-186,002.38

Finding the Fourth Proportional to 659,427.74, 989,003.10 and 186,002.38

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Solution

The fourth proportional to 659,427.74, 989,003.10 and 186,002.38 is: 278,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,427.74 : 989,003.10 = 186,002.38 : x
  2. Step 2: Convert to fraction form
    659,427.74/989,003.10 = 186,002.38/x
  3. Step 3: Cross multiply
    659,427.74x = 989,003.10 × 186,002.38
  4. Step 4: Simplify right side
    659,427.74x = 183,956,930,427.38
  5. Step 5: Solve for x
    x = 183,956,930,427.38/659,427.74
  6. Step 6: Final answer
    x = 278,964.50

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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.