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Finding the Fourth Proportional to 235,438.01, 350,939.10 and 216,542.33

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Solution

The fourth proportional to 235,438.01, 350,939.10 and 216,542.33 is: 322,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438.01 : 350,939.10 = 216,542.33 : x
  2. Step 2: Convert to fraction form
    235,438.01/350,939.10 = 216,542.33/x
  3. Step 3: Cross multiply
    235,438.01x = 350,939.10 × 216,542.33
  4. Step 4: Simplify right side
    235,438.01x = 75,993,170,402.10
  5. Step 5: Solve for x
    x = 75,993,170,402.10/235,438.01
  6. Step 6: Final answer
    x = 322,773.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.