Home / 329,739.04-494,644.88-105,047.20

Finding the Fourth Proportional to 329,739.04, 494,644.88 and 105,047.20

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Solution

The fourth proportional to 329,739.04, 494,644.88 and 105,047.20 is: 157,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,739.04 : 494,644.88 = 105,047.20 : x
  2. Step 2: Convert to fraction form
    329,739.04/494,644.88 = 105,047.20/x
  3. Step 3: Cross multiply
    329,739.04x = 494,644.88 × 105,047.20
  4. Step 4: Simplify right side
    329,739.04x = 51,961,059,638.34
  5. Step 5: Solve for x
    x = 51,961,059,638.34/329,739.04
  6. Step 6: Final answer
    x = 157,582.37

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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.