Home / 440,842.20-661,284.90-230,890.20

Finding the Fourth Proportional to 440,842.20, 661,284.90 and 230,890.20

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Solution

The fourth proportional to 440,842.20, 661,284.90 and 230,890.20 is: 346,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,842.20 : 661,284.90 = 230,890.20 : x
  2. Step 2: Convert to fraction form
    440,842.20/661,284.90 = 230,890.20/x
  3. Step 3: Cross multiply
    440,842.20x = 661,284.90 × 230,890.20
  4. Step 4: Simplify right side
    440,842.20x = 152,684,202,817.98
  5. Step 5: Solve for x
    x = 152,684,202,817.98/440,842.20
  6. Step 6: Final answer
    x = 346,346.61

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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.