Home / 251,824.30-347,516.89-138,647.05

Finding the Fourth Proportional to 251,824.30, 347,516.89 and 138,647.05

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Solution

The fourth proportional to 251,824.30, 347,516.89 and 138,647.05 is: 191,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,824.30 : 347,516.89 = 138,647.05 : x
  2. Step 2: Convert to fraction form
    251,824.30/347,516.89 = 138,647.05/x
  3. Step 3: Cross multiply
    251,824.30x = 347,516.89 × 138,647.05
  4. Step 4: Simplify right side
    251,824.30x = 48,182,190,408.26
  5. Step 5: Solve for x
    x = 48,182,190,408.26/251,824.30
  6. Step 6: Final answer
    x = 191,332.57

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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.