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Finding the Fourth Proportional to 458,539.49, 632,804.27 and 254,590.44

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Solution

The fourth proportional to 458,539.49, 632,804.27 and 254,590.44 is: 351,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,539.49 : 632,804.27 = 254,590.44 : x
  2. Step 2: Convert to fraction form
    458,539.49/632,804.27 = 254,590.44/x
  3. Step 3: Cross multiply
    458,539.49x = 632,804.27 × 254,590.44
  4. Step 4: Simplify right side
    458,539.49x = 161,105,913,887.21
  5. Step 5: Solve for x
    x = 161,105,913,887.21/458,539.49
  6. Step 6: Final answer
    x = 351,345.78

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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.