Home / 347,739.82-521,609.70-189,882.16

Finding the Fourth Proportional to 347,739.82, 521,609.70 and 189,882.16

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Solution

The fourth proportional to 347,739.82, 521,609.70 and 189,882.16 is: 284,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,739.82 : 521,609.70 = 189,882.16 : x
  2. Step 2: Convert to fraction form
    347,739.82/521,609.70 = 189,882.16/x
  3. Step 3: Cross multiply
    347,739.82x = 521,609.70 × 189,882.16
  4. Step 4: Simplify right side
    347,739.82x = 99,044,376,512.95
  5. Step 5: Solve for x
    x = 99,044,376,512.95/347,739.82
  6. Step 6: Final answer
    x = 284,823.22

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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.