Home / 545,342.17-818,069.37-208,665.97

Finding the Fourth Proportional to 545,342.17, 818,069.37 and 208,665.97

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Solution

The fourth proportional to 545,342.17, 818,069.37 and 208,665.97 is: 313,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,342.17 : 818,069.37 = 208,665.97 : x
  2. Step 2: Convert to fraction form
    545,342.17/818,069.37 = 208,665.97/x
  3. Step 3: Cross multiply
    545,342.17x = 818,069.37 × 208,665.97
  4. Step 4: Simplify right side
    545,342.17x = 170,703,241,566.05
  5. Step 5: Solve for x
    x = 170,703,241,566.05/545,342.17
  6. Step 6: Final answer
    x = 313,020.43

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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.