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Finding the Fourth Proportional to 507,754.44, 761,613.14 and 204,242.58

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Solution

The fourth proportional to 507,754.44, 761,613.14 and 204,242.58 is: 306,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,754.44 : 761,613.14 = 204,242.58 : x
  2. Step 2: Convert to fraction form
    507,754.44/761,613.14 = 204,242.58/x
  3. Step 3: Cross multiply
    507,754.44x = 761,613.14 × 204,242.58
  4. Step 4: Simplify right side
    507,754.44x = 155,553,833,186.11
  5. Step 5: Solve for x
    x = 155,553,833,186.11/507,754.44
  6. Step 6: Final answer
    x = 306,356.42

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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.