Home / 301,085.27-451,628.10-76,462.55

Finding the Fourth Proportional to 301,085.27, 451,628.10 and 76,462.55

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Solution

The fourth proportional to 301,085.27, 451,628.10 and 76,462.55 is: 114,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,085.27 : 451,628.10 = 76,462.55 : x
  2. Step 2: Convert to fraction form
    301,085.27/451,628.10 = 76,462.55/x
  3. Step 3: Cross multiply
    301,085.27x = 451,628.10 × 76,462.55
  4. Step 4: Simplify right side
    301,085.27x = 34,532,636,177.66
  5. Step 5: Solve for x
    x = 34,532,636,177.66/301,085.27
  6. Step 6: Final answer
    x = 114,693.87

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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.