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Finding the Fourth Proportional to 254,059.54, 381,089.45 and 64,534.12

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Solution

The fourth proportional to 254,059.54, 381,089.45 and 64,534.12 is: 96,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,059.54 : 381,089.45 = 64,534.12 : x
  2. Step 2: Convert to fraction form
    254,059.54/381,089.45 = 64,534.12/x
  3. Step 3: Cross multiply
    254,059.54x = 381,089.45 × 64,534.12
  4. Step 4: Simplify right side
    254,059.54x = 24,593,272,297.03
  5. Step 5: Solve for x
    x = 24,593,272,297.03/254,059.54
  6. Step 6: Final answer
    x = 96,801.22

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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.