Home / 379,460.28-523,719.97-226,506.36

Finding the Fourth Proportional to 379,460.28, 523,719.97 and 226,506.36

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Solution

The fourth proportional to 379,460.28, 523,719.97 and 226,506.36 is: 312,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,460.28 : 523,719.97 = 226,506.36 : x
  2. Step 2: Convert to fraction form
    379,460.28/523,719.97 = 226,506.36/x
  3. Step 3: Cross multiply
    379,460.28x = 523,719.97 × 226,506.36
  4. Step 4: Simplify right side
    379,460.28x = 118,625,903,497.74
  5. Step 5: Solve for x
    x = 118,625,903,497.74/379,460.28
  6. Step 6: Final answer
    x = 312,617.45

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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.