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Finding the Fourth Proportional to 659,033.14, 988,626.51 and 238,507.06

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Solution

The fourth proportional to 659,033.14, 988,626.51 and 238,507.06 is: 357,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,033.14 : 988,626.51 = 238,507.06 : x
  2. Step 2: Convert to fraction form
    659,033.14/988,626.51 = 238,507.06/x
  3. Step 3: Cross multiply
    659,033.14x = 988,626.51 × 238,507.06
  4. Step 4: Simplify right side
    659,033.14x = 235,794,402,338.16
  5. Step 5: Solve for x
    x = 235,794,402,338.16/659,033.14
  6. Step 6: Final answer
    x = 357,788.38

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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.