Home / 296,986.72-445,440.47-83,771.76

Finding the Fourth Proportional to 296,986.72, 445,440.47 and 83,771.76

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Solution

The fourth proportional to 296,986.72, 445,440.47 and 83,771.76 is: 125,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,986.72 : 445,440.47 = 83,771.76 : x
  2. Step 2: Convert to fraction form
    296,986.72/445,440.47 = 83,771.76/x
  3. Step 3: Cross multiply
    296,986.72x = 445,440.47 × 83,771.76
  4. Step 4: Simplify right side
    296,986.72x = 37,315,332,147.13
  5. Step 5: Solve for x
    x = 37,315,332,147.13/296,986.72
  6. Step 6: Final answer
    x = 125,646.47

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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.