Finding the Fourth Proportional to 217,511.40, 325,829.70 and 146,652.60
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Solution
The fourth proportional to 217,511.40, 325,829.70 and 146,652.60 is: 219,683.99
Step by Step Solution
- Step 1: Write the proportion equation
217,511.40 : 325,829.70 = 146,652.60 : x - Step 2: Convert to fraction form
217,511.40/325,829.70 = 146,652.60/x - Step 3: Cross multiply
217,511.40x = 325,829.70 × 146,652.60 - Step 4: Simplify right side
217,511.40x = 47,783,772,662.22 - Step 5: Solve for x
x = 47,783,772,662.22/217,511.40 - Step 6: Final answer
x = 219,683.99
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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.