Home / 217,034.28-299,532.96-121,522.50

Finding the Fourth Proportional to 217,034.28, 299,532.96 and 121,522.50

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Solution

The fourth proportional to 217,034.28, 299,532.96 and 121,522.50 is: 167,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,034.28 : 299,532.96 = 121,522.50 : x
  2. Step 2: Convert to fraction form
    217,034.28/299,532.96 = 121,522.50/x
  3. Step 3: Cross multiply
    217,034.28x = 299,532.96 × 121,522.50
  4. Step 4: Simplify right side
    217,034.28x = 36,399,994,131.60
  5. Step 5: Solve for x
    x = 36,399,994,131.60/217,034.28
  6. Step 6: Final answer
    x = 167,715.41

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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.