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Finding the Fourth Proportional to 322,510.64, 483,579.02 and 109,207.35

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Solution

The fourth proportional to 322,510.64, 483,579.02 and 109,207.35 is: 163,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,510.64 : 483,579.02 = 109,207.35 : x
  2. Step 2: Convert to fraction form
    322,510.64/483,579.02 = 109,207.35/x
  3. Step 3: Cross multiply
    322,510.64x = 483,579.02 × 109,207.35
  4. Step 4: Simplify right side
    322,510.64x = 52,810,382,743.76
  5. Step 5: Solve for x
    x = 52,810,382,743.76/322,510.64
  6. Step 6: Final answer
    x = 163,747.72

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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.