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Finding the Fourth Proportional to 538,760.70, 807,795.45 and 223,343.10

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Solution

The fourth proportional to 538,760.70, 807,795.45 and 223,343.10 is: 334,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,760.70 : 807,795.45 = 223,343.10 : x
  2. Step 2: Convert to fraction form
    538,760.70/807,795.45 = 223,343.10/x
  3. Step 3: Cross multiply
    538,760.70x = 807,795.45 × 223,343.10
  4. Step 4: Simplify right side
    538,760.70x = 180,415,539,968.90
  5. Step 5: Solve for x
    x = 180,415,539,968.90/538,760.70
  6. Step 6: Final answer
    x = 334,871.38

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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.