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Finding the Fourth Proportional to 519,374.40, 778,867.20 and 182,284.80

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Solution

The fourth proportional to 519,374.40, 778,867.20 and 182,284.80 is: 273,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,374.40 : 778,867.20 = 182,284.80 : x
  2. Step 2: Convert to fraction form
    519,374.40/778,867.20 = 182,284.80/x
  3. Step 3: Cross multiply
    519,374.40x = 778,867.20 × 182,284.80
  4. Step 4: Simplify right side
    519,374.40x = 141,975,651,778.56
  5. Step 5: Solve for x
    x = 141,975,651,778.56/519,374.40
  6. Step 6: Final answer
    x = 273,358.97

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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.