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Finding the Fourth Proportional to 489,833.88, 735,022.98 and 265,191

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Solution

The fourth proportional to 489,833.88, 735,022.98 and 265,191 is: 397,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,833.88 : 735,022.98 = 265,191 : x
  2. Step 2: Convert to fraction form
    489,833.88/735,022.98 = 265,191/x
  3. Step 3: Cross multiply
    489,833.88x = 735,022.98 × 265,191
  4. Step 4: Simplify right side
    489,833.88x = 194,921,479,089.18
  5. Step 5: Solve for x
    x = 194,921,479,089.18/489,833.88
  6. Step 6: Final answer
    x = 397,933.84

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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.