Home / 347,425.75-521,228.47-203,453.16

Finding the Fourth Proportional to 347,425.75, 521,228.47 and 203,453.16

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Solution

The fourth proportional to 347,425.75, 521,228.47 and 203,453.16 is: 305,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,425.75 : 521,228.47 = 203,453.16 : x
  2. Step 2: Convert to fraction form
    347,425.75/521,228.47 = 203,453.16/x
  3. Step 3: Cross multiply
    347,425.75x = 521,228.47 × 203,453.16
  4. Step 4: Simplify right side
    347,425.75x = 106,045,578,446.50
  5. Step 5: Solve for x
    x = 106,045,578,446.50/347,425.75
  6. Step 6: Final answer
    x = 305,232.35

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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.