Home / 251,679.19-347,317.34-138,501.94

Finding the Fourth Proportional to 251,679.19, 347,317.34 and 138,501.94

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Solution

The fourth proportional to 251,679.19, 347,317.34 and 138,501.94 is: 191,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,679.19 : 347,317.34 = 138,501.94 : x
  2. Step 2: Convert to fraction form
    251,679.19/347,317.34 = 138,501.94/x
  3. Step 3: Cross multiply
    251,679.19x = 347,317.34 × 138,501.94
  4. Step 4: Simplify right side
    251,679.19x = 48,104,125,385.64
  5. Step 5: Solve for x
    x = 48,104,125,385.64/251,679.19
  6. Step 6: Final answer
    x = 191,132.71

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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.