Home / 443,140.25-664,570.96-143,551.33

Finding the Fourth Proportional to 443,140.25, 664,570.96 and 143,551.33

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Solution

The fourth proportional to 443,140.25, 664,570.96 and 143,551.33 is: 215,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,140.25 : 664,570.96 = 143,551.33 : x
  2. Step 2: Convert to fraction form
    443,140.25/664,570.96 = 143,551.33/x
  3. Step 3: Cross multiply
    443,140.25x = 664,570.96 × 143,551.33
  4. Step 4: Simplify right side
    443,140.25x = 95,400,042,737.19
  5. Step 5: Solve for x
    x = 95,400,042,737.19/443,140.25
  6. Step 6: Final answer
    x = 215,281.82

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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.