Home / 303,526.35-455,344.20-126,051.30

Finding the Fourth Proportional to 303,526.35, 455,344.20 and 126,051.30

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Solution

The fourth proportional to 303,526.35, 455,344.20 and 126,051.30 is: 189,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,526.35 : 455,344.20 = 126,051.30 : x
  2. Step 2: Convert to fraction form
    303,526.35/455,344.20 = 126,051.30/x
  3. Step 3: Cross multiply
    303,526.35x = 455,344.20 × 126,051.30
  4. Step 4: Simplify right side
    303,526.35x = 57,396,728,357.46
  5. Step 5: Solve for x
    x = 57,396,728,357.46/303,526.35
  6. Step 6: Final answer
    x = 189,099.66

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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.