Finding the Fourth Proportional to 215,245.36, 322,867.50 and 102,584.08
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Solution
The fourth proportional to 215,245.36, 322,867.50 and 102,584.08 is: 153,875.86
Step by Step Solution
- Step 1: Write the proportion equation
215,245.36 : 322,867.50 = 102,584.08 : x - Step 2: Convert to fraction form
215,245.36/322,867.50 = 102,584.08/x - Step 3: Cross multiply
215,245.36x = 322,867.50 × 102,584.08 - Step 4: Simplify right side
215,245.36x = 33,121,065,449.40 - Step 5: Solve for x
x = 33,121,065,449.40/215,245.36 - Step 6: Final answer
x = 153,875.86
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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.