Home / 380,946.42-571,514.81-268,845.46

Finding the Fourth Proportional to 380,946.42, 571,514.81 and 268,845.46

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Solution

The fourth proportional to 380,946.42, 571,514.81 and 268,845.46 is: 403,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,946.42 : 571,514.81 = 268,845.46 : x
  2. Step 2: Convert to fraction form
    380,946.42/571,514.81 = 268,845.46/x
  3. Step 3: Cross multiply
    380,946.42x = 571,514.81 × 268,845.46
  4. Step 4: Simplify right side
    380,946.42x = 153,649,161,991.26
  5. Step 5: Solve for x
    x = 153,649,161,991.26/380,946.42
  6. Step 6: Final answer
    x = 403,335.36

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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.