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Finding the Fourth Proportional to 458,393.03, 632,514.94 and 254,445.51

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Solution

The fourth proportional to 458,393.03, 632,514.94 and 254,445.51 is: 351,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,393.03 : 632,514.94 = 254,445.51 : x
  2. Step 2: Convert to fraction form
    458,393.03/632,514.94 = 254,445.51/x
  3. Step 3: Cross multiply
    458,393.03x = 632,514.94 × 254,445.51
  4. Step 4: Simplify right side
    458,393.03x = 160,940,586,490.92
  5. Step 5: Solve for x
    x = 160,940,586,490.92/458,393.03
  6. Step 6: Final answer
    x = 351,097.37

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1.5x scale

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.