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Finding the Fourth Proportional to 253,065.83, 349,004.51 and 209,976.98

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Solution

The fourth proportional to 253,065.83, 349,004.51 and 209,976.98 is: 289,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,065.83 : 349,004.51 = 209,976.98 : x
  2. Step 2: Convert to fraction form
    253,065.83/349,004.51 = 209,976.98/x
  3. Step 3: Cross multiply
    253,065.83x = 349,004.51 × 209,976.98
  4. Step 4: Simplify right side
    253,065.83x = 73,282,910,221.27
  5. Step 5: Solve for x
    x = 73,282,910,221.27/253,065.83
  6. Step 6: Final answer
    x = 289,580.43

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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.