Finding the Fourth Proportional to 157,197.68, 235,654.30 and 57,334.48
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Solution
The fourth proportional to 157,197.68, 235,654.30 and 57,334.48 is: 85,949.85
Step by Step Solution
- Step 1: Write the proportion equation
157,197.68 : 235,654.30 = 57,334.48 : x - Step 2: Convert to fraction form
157,197.68/235,654.30 = 57,334.48/x - Step 3: Cross multiply
157,197.68x = 235,654.30 × 57,334.48 - Step 4: Simplify right side
157,197.68x = 13,511,116,750.26 - Step 5: Solve for x
x = 13,511,116,750.26/157,197.68 - Step 6: Final answer
x = 85,949.85
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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.