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Finding the Fourth Proportional to 266,750.37, 399,681.32 and 187,698.52

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Solution

The fourth proportional to 266,750.37, 399,681.32 and 187,698.52 is: 281,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,750.37 : 399,681.32 = 187,698.52 : x
  2. Step 2: Convert to fraction form
    266,750.37/399,681.32 = 187,698.52/x
  3. Step 3: Cross multiply
    266,750.37x = 399,681.32 × 187,698.52
  4. Step 4: Simplify right side
    266,750.37x = 75,019,590,297.95
  5. Step 5: Solve for x
    x = 75,019,590,297.95/266,750.37
  6. Step 6: Final answer
    x = 281,235.19

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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.