Home / 380,563.72-525,286.02-229,670.44

Finding the Fourth Proportional to 380,563.72, 525,286.02 and 229,670.44

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Solution

The fourth proportional to 380,563.72, 525,286.02 and 229,670.44 is: 317,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,563.72 : 525,286.02 = 229,670.44 : x
  2. Step 2: Convert to fraction form
    380,563.72/525,286.02 = 229,670.44/x
  3. Step 3: Cross multiply
    380,563.72x = 525,286.02 × 229,670.44
  4. Step 4: Simplify right side
    380,563.72x = 120,642,671,339.25
  5. Step 5: Solve for x
    x = 120,642,671,339.25/380,563.72
  6. Step 6: Final answer
    x = 317,010.44

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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.