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Finding the Fourth Proportional to 516,572.52, 774,876.06 and 179,616.07

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Solution

The fourth proportional to 516,572.52, 774,876.06 and 179,616.07 is: 269,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,572.52 : 774,876.06 = 179,616.07 : x
  2. Step 2: Convert to fraction form
    516,572.52/774,876.06 = 179,616.07/x
  3. Step 3: Cross multiply
    516,572.52x = 774,876.06 × 179,616.07
  4. Step 4: Simplify right side
    516,572.52x = 139,180,192,634.28
  5. Step 5: Solve for x
    x = 139,180,192,634.28/516,572.52
  6. Step 6: Final answer
    x = 269,430.11

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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.