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Finding the Fourth Proportional to 254,092.52, 350,645.27 and 139,368.84

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Solution

The fourth proportional to 254,092.52, 350,645.27 and 139,368.84 is: 192,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,092.52 : 350,645.27 = 139,368.84 : x
  2. Step 2: Convert to fraction form
    254,092.52/350,645.27 = 139,368.84/x
  3. Step 3: Cross multiply
    254,092.52x = 350,645.27 × 139,368.84
  4. Step 4: Simplify right side
    254,092.52x = 48,869,023,834.54
  5. Step 5: Solve for x
    x = 48,869,023,834.54/254,092.52
  6. Step 6: Final answer
    x = 192,327.68

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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.