Home / 322,284.12-483,260.18-144,638.84

Finding the Fourth Proportional to 322,284.12, 483,260.18 and 144,638.84

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Solution

The fourth proportional to 322,284.12, 483,260.18 and 144,638.84 is: 216,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,284.12 : 483,260.18 = 144,638.84 : x
  2. Step 2: Convert to fraction form
    322,284.12/483,260.18 = 144,638.84/x
  3. Step 3: Cross multiply
    322,284.12x = 483,260.18 × 144,638.84
  4. Step 4: Simplify right side
    322,284.12x = 69,898,191,853.39
  5. Step 5: Solve for x
    x = 69,898,191,853.39/322,284.12
  6. Step 6: Final answer
    x = 216,883.76

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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.