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Finding the Fourth Proportional to 538,892.30, 808,630.05 and 223,381.10

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Solution

The fourth proportional to 538,892.30, 808,630.05 and 223,381.10 is: 335,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,892.30 : 808,630.05 = 223,381.10 : x
  2. Step 2: Convert to fraction form
    538,892.30/808,630.05 = 223,381.10/x
  3. Step 3: Cross multiply
    538,892.30x = 808,630.05 × 223,381.10
  4. Step 4: Simplify right side
    538,892.30x = 180,632,670,062.06
  5. Step 5: Solve for x
    x = 180,632,670,062.06/538,892.30
  6. Step 6: Final answer
    x = 335,192.52

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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.