Home / 217,039.14-326,057.72-153,144.36

Finding the Fourth Proportional to 217,039.14, 326,057.72 and 153,144.36

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Solution

The fourth proportional to 217,039.14, 326,057.72 and 153,144.36 is: 230,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,039.14 : 326,057.72 = 153,144.36 : x
  2. Step 2: Convert to fraction form
    217,039.14/326,057.72 = 153,144.36/x
  3. Step 3: Cross multiply
    217,039.14x = 326,057.72 × 153,144.36
  4. Step 4: Simplify right side
    217,039.14x = 49,933,900,086.74
  5. Step 5: Solve for x
    x = 49,933,900,086.74/217,039.14
  6. Step 6: Final answer
    x = 230,068.64

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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.