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Finding the Fourth Proportional to 322,423.30, 483,065.47 and 195,805.18

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Solution

The fourth proportional to 322,423.30, 483,065.47 and 195,805.18 is: 293,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,423.30 : 483,065.47 = 195,805.18 : x
  2. Step 2: Convert to fraction form
    322,423.30/483,065.47 = 195,805.18/x
  3. Step 3: Cross multiply
    322,423.30x = 483,065.47 × 195,805.18
  4. Step 4: Simplify right side
    322,423.30x = 94,586,721,305.13
  5. Step 5: Solve for x
    x = 94,586,721,305.13/322,423.30
  6. Step 6: Final answer
    x = 293,361.93

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1.5x scale

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.