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Finding the Fourth Proportional to 441,657.65, 609,487.66 and 240,453.65

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Solution

The fourth proportional to 441,657.65, 609,487.66 and 240,453.65 is: 331,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,657.65 : 609,487.66 = 240,453.65 : x
  2. Step 2: Convert to fraction form
    441,657.65/609,487.66 = 240,453.65/x
  3. Step 3: Cross multiply
    441,657.65x = 609,487.66 × 240,453.65
  4. Step 4: Simplify right side
    441,657.65x = 146,553,534,301.25
  5. Step 5: Solve for x
    x = 146,553,534,301.25/441,657.65
  6. Step 6: Final answer
    x = 331,826.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.