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Finding the Fourth Proportional to 266,668.88, 400,003.68 and 108,897.32

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Solution

The fourth proportional to 266,668.88, 400,003.68 and 108,897.32 is: 163,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,668.88 : 400,003.68 = 108,897.32 : x
  2. Step 2: Convert to fraction form
    266,668.88/400,003.68 = 108,897.32/x
  3. Step 3: Cross multiply
    266,668.88x = 400,003.68 × 108,897.32
  4. Step 4: Simplify right side
    266,668.88x = 43,559,328,742.14
  5. Step 5: Solve for x
    x = 43,559,328,742.14/266,668.88
  6. Step 6: Final answer
    x = 163,346.13

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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.