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Finding the Fourth Proportional to 458,611.74, 632,855.97 and 254,650.23

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Solution

The fourth proportional to 458,611.74, 632,855.97 and 254,650.23 is: 351,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,611.74 : 632,855.97 = 254,650.23 : x
  2. Step 2: Convert to fraction form
    458,611.74/632,855.97 = 254,650.23/x
  3. Step 3: Cross multiply
    458,611.74x = 632,855.97 × 254,650.23
  4. Step 4: Simplify right side
    458,611.74x = 161,156,918,317.37
  5. Step 5: Solve for x
    x = 161,156,918,317.37/458,611.74
  6. Step 6: Final answer
    x = 351,401.64

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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.