Home / 438,880.57-658,484.88-172,826.55

Finding the Fourth Proportional to 438,880.57, 658,484.88 and 172,826.55

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Solution

The fourth proportional to 438,880.57, 658,484.88 and 172,826.55 is: 259,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,880.57 : 658,484.88 = 172,826.55 : x
  2. Step 2: Convert to fraction form
    438,880.57/658,484.88 = 172,826.55/x
  3. Step 3: Cross multiply
    438,880.57x = 658,484.88 × 172,826.55
  4. Step 4: Simplify right side
    438,880.57x = 113,803,670,037.56
  5. Step 5: Solve for x
    x = 113,803,670,037.56/438,880.57
  6. Step 6: Final answer
    x = 259,304.42

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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.