Home / 393,568.18-590,293.34-109,228.74

Finding the Fourth Proportional to 393,568.18, 590,293.34 and 109,228.74

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Solution

The fourth proportional to 393,568.18, 590,293.34 and 109,228.74 is: 163,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,568.18 : 590,293.34 = 109,228.74 : x
  2. Step 2: Convert to fraction form
    393,568.18/590,293.34 = 109,228.74/x
  3. Step 3: Cross multiply
    393,568.18x = 590,293.34 × 109,228.74
  4. Step 4: Simplify right side
    393,568.18x = 64,476,997,758.59
  5. Step 5: Solve for x
    x = 64,476,997,758.59/393,568.18
  6. Step 6: Final answer
    x = 163,826.75

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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.