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Finding the Fourth Proportional to 254,396.90, 381,603.64 and 127,968.24

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Solution

The fourth proportional to 254,396.90, 381,603.64 and 127,968.24 is: 191,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,396.90 : 381,603.64 = 127,968.24 : x
  2. Step 2: Convert to fraction form
    254,396.90/381,603.64 = 127,968.24/x
  3. Step 3: Cross multiply
    254,396.90x = 381,603.64 × 127,968.24
  4. Step 4: Simplify right side
    254,396.90x = 48,833,146,188.39
  5. Step 5: Solve for x
    x = 48,833,146,188.39/254,396.90
  6. Step 6: Final answer
    x = 191,956.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.