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Finding the Fourth Proportional to 266,127.66, 399,255.34 and 88,636.26

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Solution

The fourth proportional to 266,127.66, 399,255.34 and 88,636.26 is: 132,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,127.66 : 399,255.34 = 88,636.26 : x
  2. Step 2: Convert to fraction form
    266,127.66/399,255.34 = 88,636.26/x
  3. Step 3: Cross multiply
    266,127.66x = 399,255.34 × 88,636.26
  4. Step 4: Simplify right side
    266,127.66x = 35,388,500,122.63
  5. Step 5: Solve for x
    x = 35,388,500,122.63/266,127.66
  6. Step 6: Final answer
    x = 132,975.66

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1.5x scale

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.