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Finding the Fourth Proportional to 233,434.90, 349,749.15 and 108,519.70

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Solution

The fourth proportional to 233,434.90, 349,749.15 and 108,519.70 is: 162,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,434.90 : 349,749.15 = 108,519.70 : x
  2. Step 2: Convert to fraction form
    233,434.90/349,749.15 = 108,519.70/x
  3. Step 3: Cross multiply
    233,434.90x = 349,749.15 × 108,519.70
  4. Step 4: Simplify right side
    233,434.90x = 37,954,672,833.26
  5. Step 5: Solve for x
    x = 37,954,672,833.26/233,434.90
  6. Step 6: Final answer
    x = 162,592.11

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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.