Home / 547,099.60-820,567.28-173,074

Finding the Fourth Proportional to 547,099.60, 820,567.28 and 173,074

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Solution

The fourth proportional to 547,099.60, 820,567.28 and 173,074 is: 259,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,099.60 : 820,567.28 = 173,074 : x
  2. Step 2: Convert to fraction form
    547,099.60/820,567.28 = 173,074/x
  3. Step 3: Cross multiply
    547,099.60x = 820,567.28 × 173,074
  4. Step 4: Simplify right side
    547,099.60x = 142,018,861,418.72
  5. Step 5: Solve for x
    x = 142,018,861,418.72/547,099.60
  6. Step 6: Final answer
    x = 259,585.02

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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.