Home / 558,744.40-838,131.99-204,022.72

Finding the Fourth Proportional to 558,744.40, 838,131.99 and 204,022.72

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Solution

The fourth proportional to 558,744.40, 838,131.99 and 204,022.72 is: 306,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,744.40 : 838,131.99 = 204,022.72 : x
  2. Step 2: Convert to fraction form
    558,744.40/838,131.99 = 204,022.72/x
  3. Step 3: Cross multiply
    558,744.40x = 838,131.99 × 204,022.72
  4. Step 4: Simplify right side
    558,744.40x = 170,997,968,318.81
  5. Step 5: Solve for x
    x = 170,997,968,318.81/558,744.40
  6. Step 6: Final answer
    x = 306,039.70

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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.