Home / 211,252.26-315,240.51-188,818.50

Finding the Fourth Proportional to 211,252.26, 315,240.51 and 188,818.50

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Solution

The fourth proportional to 211,252.26, 315,240.51 and 188,818.50 is: 281,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,252.26 : 315,240.51 = 188,818.50 : x
  2. Step 2: Convert to fraction form
    211,252.26/315,240.51 = 188,818.50/x
  3. Step 3: Cross multiply
    211,252.26x = 315,240.51 × 188,818.50
  4. Step 4: Simplify right side
    211,252.26x = 59,523,240,237.44
  5. Step 5: Solve for x
    x = 59,523,240,237.44/211,252.26
  6. Step 6: Final answer
    x = 281,763.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.