Home / 217,247.22-299,699.46-135,508.50

Finding the Fourth Proportional to 217,247.22, 299,699.46 and 135,508.50

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Solution

The fourth proportional to 217,247.22, 299,699.46 and 135,508.50 is: 186,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,247.22 : 299,699.46 = 135,508.50 : x
  2. Step 2: Convert to fraction form
    217,247.22/299,699.46 = 135,508.50/x
  3. Step 3: Cross multiply
    217,247.22x = 299,699.46 × 135,508.50
  4. Step 4: Simplify right side
    217,247.22x = 40,611,824,275.41
  5. Step 5: Solve for x
    x = 40,611,824,275.41/217,247.22
  6. Step 6: Final answer
    x = 186,938.29

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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.