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Finding the Fourth Proportional to 373,254.18, 515,090.49 and 203,488.32

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Solution

The fourth proportional to 373,254.18, 515,090.49 and 203,488.32 is: 280,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,254.18 : 515,090.49 = 203,488.32 : x
  2. Step 2: Convert to fraction form
    373,254.18/515,090.49 = 203,488.32/x
  3. Step 3: Cross multiply
    373,254.18x = 515,090.49 × 203,488.32
  4. Step 4: Simplify right side
    373,254.18x = 104,814,898,458.08
  5. Step 5: Solve for x
    x = 104,814,898,458.08/373,254.18
  6. Step 6: Final answer
    x = 280,813.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.