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Finding the Fourth Proportional to 266,230.72, 399,341.44 and 66,552.32

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Solution

The fourth proportional to 266,230.72, 399,341.44 and 66,552.32 is: 99,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,230.72 : 399,341.44 = 66,552.32 : x
  2. Step 2: Convert to fraction form
    266,230.72/399,341.44 = 66,552.32/x
  3. Step 3: Cross multiply
    266,230.72x = 399,341.44 × 66,552.32
  4. Step 4: Simplify right side
    266,230.72x = 26,577,099,304.14
  5. Step 5: Solve for x
    x = 26,577,099,304.14/266,230.72
  6. Step 6: Final answer
    x = 99,827.32

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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.