Home / 445,490.84-668,218.03-161,188.13

Finding the Fourth Proportional to 445,490.84, 668,218.03 and 161,188.13

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Solution

The fourth proportional to 445,490.84, 668,218.03 and 161,188.13 is: 241,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,490.84 : 668,218.03 = 161,188.13 : x
  2. Step 2: Convert to fraction form
    445,490.84/668,218.03 = 161,188.13/x
  3. Step 3: Cross multiply
    445,490.84x = 668,218.03 × 161,188.13
  4. Step 4: Simplify right side
    445,490.84x = 107,708,814,687.98
  5. Step 5: Solve for x
    x = 107,708,814,687.98/445,490.84
  6. Step 6: Final answer
    x = 241,775.60

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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.