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Finding the Fourth Proportional to 458,565.16, 632,789.08 and 254,605.54

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Solution

The fourth proportional to 458,565.16, 632,789.08 and 254,605.54 is: 351,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,565.16 : 632,789.08 = 254,605.54 : x
  2. Step 2: Convert to fraction form
    458,565.16/632,789.08 = 254,605.54/x
  3. Step 3: Cross multiply
    458,565.16x = 632,789.08 × 254,605.54
  4. Step 4: Simplify right side
    458,565.16x = 161,111,600,982.53
  5. Step 5: Solve for x
    x = 161,111,600,982.53/458,565.16
  6. Step 6: Final answer
    x = 351,338.52

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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.