Home / 447,349.91-670,941.51-143,749.33

Finding the Fourth Proportional to 447,349.91, 670,941.51 and 143,749.33

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Solution

The fourth proportional to 447,349.91, 670,941.51 and 143,749.33 is: 215,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,349.91 : 670,941.51 = 143,749.33 : x
  2. Step 2: Convert to fraction form
    447,349.91/670,941.51 = 143,749.33/x
  3. Step 3: Cross multiply
    447,349.91x = 670,941.51 × 143,749.33
  4. Step 4: Simplify right side
    447,349.91x = 96,447,392,531.69
  5. Step 5: Solve for x
    x = 96,447,392,531.69/447,349.91
  6. Step 6: Final answer
    x = 215,597.21

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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.