Home / 440,056.66-659,979.30-203,171.74

Finding the Fourth Proportional to 440,056.66, 659,979.30 and 203,171.74

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Solution

The fourth proportional to 440,056.66, 659,979.30 and 203,171.74 is: 304,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,056.66 : 659,979.30 = 203,171.74 : x
  2. Step 2: Convert to fraction form
    440,056.66/659,979.30 = 203,171.74/x
  3. Step 3: Cross multiply
    440,056.66x = 659,979.30 × 203,171.74
  4. Step 4: Simplify right side
    440,056.66x = 134,089,142,744.98
  5. Step 5: Solve for x
    x = 134,089,142,744.98/440,056.66
  6. Step 6: Final answer
    x = 304,708.81

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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.