Home / 251,949.49-347,690.27-138,772.24

Finding the Fourth Proportional to 251,949.49, 347,690.27 and 138,772.24

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Solution

The fourth proportional to 251,949.49, 347,690.27 and 138,772.24 is: 191,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,949.49 : 347,690.27 = 138,772.24 : x
  2. Step 2: Convert to fraction form
    251,949.49/347,690.27 = 138,772.24/x
  3. Step 3: Cross multiply
    251,949.49x = 347,690.27 × 138,772.24
  4. Step 4: Simplify right side
    251,949.49x = 48,249,755,855.65
  5. Step 5: Solve for x
    x = 48,249,755,855.65/251,949.49
  6. Step 6: Final answer
    x = 191,505.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.