Home / 347,830.40-479,782.92-238,882.16

Finding the Fourth Proportional to 347,830.40, 479,782.92 and 238,882.16

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Solution

The fourth proportional to 347,830.40, 479,782.92 and 238,882.16 is: 329,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,830.40 : 479,782.92 = 238,882.16 : x
  2. Step 2: Convert to fraction form
    347,830.40/479,782.92 = 238,882.16/x
  3. Step 3: Cross multiply
    347,830.40x = 479,782.92 × 238,882.16
  4. Step 4: Simplify right side
    347,830.40x = 114,611,580,260.71
  5. Step 5: Solve for x
    x = 114,611,580,260.71/347,830.40
  6. Step 6: Final answer
    x = 329,504.21

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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.