Home / 347,928.49-521,006.60-229,240.09

Finding the Fourth Proportional to 347,928.49, 521,006.60 and 229,240.09

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Solution

The fourth proportional to 347,928.49, 521,006.60 and 229,240.09 is: 343,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,928.49 : 521,006.60 = 229,240.09 : x
  2. Step 2: Convert to fraction form
    347,928.49/521,006.60 = 229,240.09/x
  3. Step 3: Cross multiply
    347,928.49x = 521,006.60 × 229,240.09
  4. Step 4: Simplify right side
    347,928.49x = 119,435,598,728.39
  5. Step 5: Solve for x
    x = 119,435,598,728.39/347,928.49
  6. Step 6: Final answer
    x = 343,276.28

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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.