Home / 329,779.40-494,505.30-105,110.60

Finding the Fourth Proportional to 329,779.40, 494,505.30 and 105,110.60

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Solution

The fourth proportional to 329,779.40, 494,505.30 and 105,110.60 is: 157,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,779.40 : 494,505.30 = 105,110.60 : x
  2. Step 2: Convert to fraction form
    329,779.40/494,505.30 = 105,110.60/x
  3. Step 3: Cross multiply
    329,779.40x = 494,505.30 × 105,110.60
  4. Step 4: Simplify right side
    329,779.40x = 51,977,748,786.18
  5. Step 5: Solve for x
    x = 51,977,748,786.18/329,779.40
  6. Step 6: Final answer
    x = 157,613.69

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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.