Home / 231,817.53-347,726.30-126,579.09

Finding the Fourth Proportional to 231,817.53, 347,726.30 and 126,579.09

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Solution

The fourth proportional to 231,817.53, 347,726.30 and 126,579.09 is: 189,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,817.53 : 347,726.30 = 126,579.09 : x
  2. Step 2: Convert to fraction form
    231,817.53/347,726.30 = 126,579.09/x
  3. Step 3: Cross multiply
    231,817.53x = 347,726.30 × 126,579.09
  4. Step 4: Simplify right side
    231,817.53x = 44,014,878,623.07
  5. Step 5: Solve for x
    x = 44,014,878,623.07/231,817.53
  6. Step 6: Final answer
    x = 189,868.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.