Home / 229,924.69-317,291.37-143,931.09

Finding the Fourth Proportional to 229,924.69, 317,291.37 and 143,931.09

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Solution

The fourth proportional to 229,924.69, 317,291.37 and 143,931.09 is: 198,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,924.69 : 317,291.37 = 143,931.09 : x
  2. Step 2: Convert to fraction form
    229,924.69/317,291.37 = 143,931.09/x
  3. Step 3: Cross multiply
    229,924.69x = 317,291.37 × 143,931.09
  4. Step 4: Simplify right side
    229,924.69x = 45,668,092,731.69
  5. Step 5: Solve for x
    x = 45,668,092,731.69/229,924.69
  6. Step 6: Final answer
    x = 198,621.96

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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.