Home / 299,123.43-412,942.71-230,987.45

Finding the Fourth Proportional to 299,123.43, 412,942.71 and 230,987.45

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Solution

The fourth proportional to 299,123.43, 412,942.71 and 230,987.45 is: 318,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,123.43 : 412,942.71 = 230,987.45 : x
  2. Step 2: Convert to fraction form
    299,123.43/412,942.71 = 230,987.45/x
  3. Step 3: Cross multiply
    299,123.43x = 412,942.71 × 230,987.45
  4. Step 4: Simplify right side
    299,123.43x = 95,384,581,514.28
  5. Step 5: Solve for x
    x = 95,384,581,514.28/299,123.43
  6. Step 6: Final answer
    x = 318,880.34

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1.5x scale

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.