Home / 254,443.20-381,810.60-96,784.80

Finding the Fourth Proportional to 254,443.20, 381,810.60 and 96,784.80

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Solution

The fourth proportional to 254,443.20, 381,810.60 and 96,784.80 is: 145,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,443.20 : 381,810.60 = 96,784.80 : x
  2. Step 2: Convert to fraction form
    254,443.20/381,810.60 = 96,784.80/x
  3. Step 3: Cross multiply
    254,443.20x = 381,810.60 × 96,784.80
  4. Step 4: Simplify right side
    254,443.20x = 36,953,462,558.88
  5. Step 5: Solve for x
    x = 36,953,462,558.88/254,443.20
  6. Step 6: Final answer
    x = 145,232.66

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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.