Finding the Fourth Proportional to 215,241.36, 322,861.50 and 102,580.08
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Solution
The fourth proportional to 215,241.36, 322,861.50 and 102,580.08 is: 153,869.86
Step by Step Solution
- Step 1: Write the proportion equation
215,241.36 : 322,861.50 = 102,580.08 : x - Step 2: Convert to fraction form
215,241.36/322,861.50 = 102,580.08/x - Step 3: Cross multiply
215,241.36x = 322,861.50 × 102,580.08 - Step 4: Simplify right side
215,241.36x = 33,119,158,498.92 - Step 5: Solve for x
x = 33,119,158,498.92/215,241.36 - Step 6: Final answer
x = 153,869.86
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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.