Finding the Fourth Proportional to 324,926.12, 487,395.86 and 100,286.70
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Solution
The fourth proportional to 324,926.12, 487,395.86 and 100,286.70 is: 150,432.11
Step by Step Solution
- Step 1: Write the proportion equation
324,926.12 : 487,395.86 = 100,286.70 : x - Step 2: Convert to fraction form
324,926.12/487,395.86 = 100,286.70/x - Step 3: Cross multiply
324,926.12x = 487,395.86 × 100,286.70 - Step 4: Simplify right side
324,926.12x = 48,879,322,393.06 - Step 5: Solve for x
x = 48,879,322,393.06/324,926.12 - Step 6: Final answer
x = 150,432.11
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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.