Home / 349,113.69-481,777.09-196,151.87

Finding the Fourth Proportional to 349,113.69, 481,777.09 and 196,151.87

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Solution

The fourth proportional to 349,113.69, 481,777.09 and 196,151.87 is: 270,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,113.69 : 481,777.09 = 196,151.87 : x
  2. Step 2: Convert to fraction form
    349,113.69/481,777.09 = 196,151.87/x
  3. Step 3: Cross multiply
    349,113.69x = 481,777.09 × 196,151.87
  4. Step 4: Simplify right side
    349,113.69x = 94,501,477,840.72
  5. Step 5: Solve for x
    x = 94,501,477,840.72/349,113.69
  6. Step 6: Final answer
    x = 270,689.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.