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Finding the Fourth Proportional to 442,419.75, 663,632.06 and 109,995.75

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Solution

The fourth proportional to 442,419.75, 663,632.06 and 109,995.75 is: 164,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,419.75 : 663,632.06 = 109,995.75 : x
  2. Step 2: Convert to fraction form
    442,419.75/663,632.06 = 109,995.75/x
  3. Step 3: Cross multiply
    442,419.75x = 663,632.06 × 109,995.75
  4. Step 4: Simplify right side
    442,419.75x = 72,996,705,613.77
  5. Step 5: Solve for x
    x = 72,996,705,613.77/442,419.75
  6. Step 6: Final answer
    x = 164,994.23

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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.