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Finding the Fourth Proportional to 452,019.36, 677,766.48 and 171,383.52

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Solution

The fourth proportional to 452,019.36, 677,766.48 and 171,383.52 is: 256,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,019.36 : 677,766.48 = 171,383.52 : x
  2. Step 2: Convert to fraction form
    452,019.36/677,766.48 = 171,383.52/x
  3. Step 3: Cross multiply
    452,019.36x = 677,766.48 × 171,383.52
  4. Step 4: Simplify right side
    452,019.36x = 116,158,005,080.41
  5. Step 5: Solve for x
    x = 116,158,005,080.41/452,019.36
  6. Step 6: Final answer
    x = 256,975.73

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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.