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Finding the Fourth Proportional to 602,174.50, 903,611.67 and 269,750.50

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Solution

The fourth proportional to 602,174.50, 903,611.67 and 269,750.50 is: 404,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,174.50 : 903,611.67 = 269,750.50 : x
  2. Step 2: Convert to fraction form
    602,174.50/903,611.67 = 269,750.50/x
  3. Step 3: Cross multiply
    602,174.50x = 903,611.67 × 269,750.50
  4. Step 4: Simplify right side
    602,174.50x = 243,749,699,788.34
  5. Step 5: Solve for x
    x = 243,749,699,788.34/602,174.50
  6. Step 6: Final answer
    x = 404,782.50

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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.