Home / 345,208.76-517,640.00-201,161.24

Finding the Fourth Proportional to 345,208.76, 517,640.00 and 201,161.24

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Solution

The fourth proportional to 345,208.76, 517,640.00 and 201,161.24 is: 301,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,208.76 : 517,640.00 = 201,161.24 : x
  2. Step 2: Convert to fraction form
    345,208.76/517,640.00 = 201,161.24/x
  3. Step 3: Cross multiply
    345,208.76x = 517,640.00 × 201,161.24
  4. Step 4: Simplify right side
    345,208.76x = 104,129,103,267.79
  5. Step 5: Solve for x
    x = 104,129,103,267.79/345,208.76
  6. Step 6: Final answer
    x = 301,640.96

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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.