Home / 251,715.96-347,374.43-137,000.82

Finding the Fourth Proportional to 251,715.96, 347,374.43 and 137,000.82

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Solution

The fourth proportional to 251,715.96, 347,374.43 and 137,000.82 is: 189,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,715.96 : 347,374.43 = 137,000.82 : x
  2. Step 2: Convert to fraction form
    251,715.96/347,374.43 = 137,000.82/x
  3. Step 3: Cross multiply
    251,715.96x = 347,374.43 × 137,000.82
  4. Step 4: Simplify right side
    251,715.96x = 47,590,581,072.03
  5. Step 5: Solve for x
    x = 47,590,581,072.03/251,715.96
  6. Step 6: Final answer
    x = 189,064.62

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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.