Finding the Fourth Proportional to 217,627.99, 326,393.12 and 91,410.75
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Solution
The fourth proportional to 217,627.99, 326,393.12 and 91,410.75 is: 137,095.60
Step by Step Solution
- Step 1: Write the proportion equation
217,627.99 : 326,393.12 = 91,410.75 : x - Step 2: Convert to fraction form
217,627.99/326,393.12 = 91,410.75/x - Step 3: Cross multiply
217,627.99x = 326,393.12 × 91,410.75 - Step 4: Simplify right side
217,627.99x = 29,835,840,783.45 - Step 5: Solve for x
x = 29,835,840,783.45/217,627.99 - Step 6: Final answer
x = 137,095.60
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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.