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Finding the Fourth Proportional to 665,241.44, 997,406.70 and 238,767.80

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Solution

The fourth proportional to 665,241.44, 997,406.70 and 238,767.80 is: 357,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,241.44 : 997,406.70 = 238,767.80 : x
  2. Step 2: Convert to fraction form
    665,241.44/997,406.70 = 238,767.80/x
  3. Step 3: Cross multiply
    665,241.44x = 997,406.70 × 238,767.80
  4. Step 4: Simplify right side
    665,241.44x = 238,148,603,464.26
  5. Step 5: Solve for x
    x = 238,148,603,464.26/665,241.44
  6. Step 6: Final answer
    x = 357,988.23

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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.