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Finding the Fourth Proportional to 440,065.20, 659,660.40 and 202,994.40

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Solution

The fourth proportional to 440,065.20, 659,660.40 and 202,994.40 is: 304,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,065.20 : 659,660.40 = 202,994.40 : x
  2. Step 2: Convert to fraction form
    440,065.20/659,660.40 = 202,994.40/x
  3. Step 3: Cross multiply
    440,065.20x = 659,660.40 × 202,994.40
  4. Step 4: Simplify right side
    440,065.20x = 133,907,367,101.76
  5. Step 5: Solve for x
    x = 133,907,367,101.76/440,065.20
  6. Step 6: Final answer
    x = 304,289.84

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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.