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Finding the Fourth Proportional to 507,379.03, 761,104.08 and 203,773.21

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Solution

The fourth proportional to 507,379.03, 761,104.08 and 203,773.21 is: 305,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,379.03 : 761,104.08 = 203,773.21 : x
  2. Step 2: Convert to fraction form
    507,379.03/761,104.08 = 203,773.21/x
  3. Step 3: Cross multiply
    507,379.03x = 761,104.08 × 203,773.21
  4. Step 4: Simplify right side
    507,379.03x = 155,092,619,622.94
  5. Step 5: Solve for x
    x = 155,092,619,622.94/507,379.03
  6. Step 6: Final answer
    x = 305,674.08

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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.