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Finding the Fourth Proportional to 458,067.07, 632,133.31 and 254,117.99

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Solution

The fourth proportional to 458,067.07, 632,133.31 and 254,117.99 is: 350,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,067.07 : 632,133.31 = 254,117.99 : x
  2. Step 2: Convert to fraction form
    458,067.07/632,133.31 = 254,117.99/x
  3. Step 3: Cross multiply
    458,067.07x = 632,133.31 × 254,117.99
  4. Step 4: Simplify right side
    458,067.07x = 160,636,447,570.76
  5. Step 5: Solve for x
    x = 160,636,447,570.76/458,067.07
  6. Step 6: Final answer
    x = 350,683.25

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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.