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Finding the Fourth Proportional to 458,124.45, 632,190.31 and 254,173.20

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Solution

The fourth proportional to 458,124.45, 632,190.31 and 254,173.20 is: 350,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,124.45 : 632,190.31 = 254,173.20 : x
  2. Step 2: Convert to fraction form
    458,124.45/632,190.31 = 254,173.20/x
  3. Step 3: Cross multiply
    458,124.45x = 632,190.31 × 254,173.20
  4. Step 4: Simplify right side
    458,124.45x = 160,685,834,101.69
  5. Step 5: Solve for x
    x = 160,685,834,101.69/458,124.45
  6. Step 6: Final answer
    x = 350,747.13

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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.