Home / 335,002.16-462,320.70-189,836.09

Finding the Fourth Proportional to 335,002.16, 462,320.70 and 189,836.09

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Solution

The fourth proportional to 335,002.16, 462,320.70 and 189,836.09 is: 261,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,002.16 : 462,320.70 = 189,836.09 : x
  2. Step 2: Convert to fraction form
    335,002.16/462,320.70 = 189,836.09/x
  3. Step 3: Cross multiply
    335,002.16x = 462,320.70 × 189,836.09
  4. Step 4: Simplify right side
    335,002.16x = 87,765,151,702.46
  5. Step 5: Solve for x
    x = 87,765,151,702.46/335,002.16
  6. Step 6: Final answer
    x = 261,983.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.