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Finding the Fourth Proportional to 234,438.49, 350,653.03 and 217,420.90

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Solution

The fourth proportional to 234,438.49, 350,653.03 and 217,420.90 is: 325,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,438.49 : 350,653.03 = 217,420.90 : x
  2. Step 2: Convert to fraction form
    234,438.49/350,653.03 = 217,420.90/x
  3. Step 3: Cross multiply
    234,438.49x = 350,653.03 × 217,420.90
  4. Step 4: Simplify right side
    234,438.49x = 76,239,297,370.33
  5. Step 5: Solve for x
    x = 76,239,297,370.33/234,438.49
  6. Step 6: Final answer
    x = 325,199.58

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1.5x scale

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.