Home / 229,145.88-343,632.42-135,678.36

Finding the Fourth Proportional to 229,145.88, 343,632.42 and 135,678.36

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Solution

The fourth proportional to 229,145.88, 343,632.42 and 135,678.36 is: 203,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,145.88 : 343,632.42 = 135,678.36 : x
  2. Step 2: Convert to fraction form
    229,145.88/343,632.42 = 135,678.36/x
  3. Step 3: Cross multiply
    229,145.88x = 343,632.42 × 135,678.36
  4. Step 4: Simplify right side
    229,145.88x = 46,623,483,188.43
  5. Step 5: Solve for x
    x = 46,623,483,188.43/229,145.88
  6. Step 6: Final answer
    x = 203,466.38

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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.