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Finding the Fourth Proportional to 266,108.01, 399,078.98 and 88,573.50

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Solution

The fourth proportional to 266,108.01, 399,078.98 and 88,573.50 is: 132,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,108.01 : 399,078.98 = 88,573.50 : x
  2. Step 2: Convert to fraction form
    266,108.01/399,078.98 = 88,573.50/x
  3. Step 3: Cross multiply
    266,108.01x = 399,078.98 × 88,573.50
  4. Step 4: Simplify right side
    266,108.01x = 35,347,821,675.20
  5. Step 5: Solve for x
    x = 35,347,821,675.20/266,108.01
  6. Step 6: Final answer
    x = 132,832.61

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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.