Home / 347,318.91-521,040.33-122,809.71

Finding the Fourth Proportional to 347,318.91, 521,040.33 and 122,809.71

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Solution

The fourth proportional to 347,318.91, 521,040.33 and 122,809.71 is: 184,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,318.91 : 521,040.33 = 122,809.71 : x
  2. Step 2: Convert to fraction form
    347,318.91/521,040.33 = 122,809.71/x
  3. Step 3: Cross multiply
    347,318.91x = 521,040.33 × 122,809.71
  4. Step 4: Simplify right side
    347,318.91x = 63,988,811,825.60
  5. Step 5: Solve for x
    x = 63,988,811,825.60/347,318.91
  6. Step 6: Final answer
    x = 184,236.48

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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.