Home / 217,811.17-326,762.12-68,045.41

Finding the Fourth Proportional to 217,811.17, 326,762.12 and 68,045.41

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Solution

The fourth proportional to 217,811.17, 326,762.12 and 68,045.41 is: 102,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,811.17 : 326,762.12 = 68,045.41 : x
  2. Step 2: Convert to fraction form
    217,811.17/326,762.12 = 68,045.41/x
  3. Step 3: Cross multiply
    217,811.17x = 326,762.12 × 68,045.41
  4. Step 4: Simplify right side
    217,811.17x = 22,234,662,427.87
  5. Step 5: Solve for x
    x = 22,234,662,427.87/217,811.17
  6. Step 6: Final answer
    x = 102,082.29

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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.