Home / 296,888.22-445,328.55-72,249.03

Finding the Fourth Proportional to 296,888.22, 445,328.55 and 72,249.03

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Solution

The fourth proportional to 296,888.22, 445,328.55 and 72,249.03 is: 108,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,888.22 : 445,328.55 = 72,249.03 : x
  2. Step 2: Convert to fraction form
    296,888.22/445,328.55 = 72,249.03/x
  3. Step 3: Cross multiply
    296,888.22x = 445,328.55 × 72,249.03
  4. Step 4: Simplify right side
    296,888.22x = 32,174,555,768.81
  5. Step 5: Solve for x
    x = 32,174,555,768.81/296,888.22
  6. Step 6: Final answer
    x = 108,372.63

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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.