Home / 229,284.55-343,942.01-79,509.07

Finding the Fourth Proportional to 229,284.55, 343,942.01 and 79,509.07

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Solution

The fourth proportional to 229,284.55, 343,942.01 and 79,509.07 is: 119,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,284.55 : 343,942.01 = 79,509.07 : x
  2. Step 2: Convert to fraction form
    229,284.55/343,942.01 = 79,509.07/x
  3. Step 3: Cross multiply
    229,284.55x = 343,942.01 × 79,509.07
  4. Step 4: Simplify right side
    229,284.55x = 27,346,509,349.03
  5. Step 5: Solve for x
    x = 27,346,509,349.03/229,284.55
  6. Step 6: Final answer
    x = 119,268.87

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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.