Home / 296,777.09-445,161.67-72,136.91

Finding the Fourth Proportional to 296,777.09, 445,161.67 and 72,136.91

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Solution

The fourth proportional to 296,777.09, 445,161.67 and 72,136.91 is: 108,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,777.09 : 445,161.67 = 72,136.91 : x
  2. Step 2: Convert to fraction form
    296,777.09/445,161.67 = 72,136.91/x
  3. Step 3: Cross multiply
    296,777.09x = 445,161.67 × 72,136.91
  4. Step 4: Simplify right side
    296,777.09x = 32,112,587,324.24
  5. Step 5: Solve for x
    x = 32,112,587,324.24/296,777.09
  6. Step 6: Final answer
    x = 108,204.40

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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.