Finding the Fourth Proportional to 242,108.70, 363,114.45 and 115,748.70
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Solution
The fourth proportional to 242,108.70, 363,114.45 and 115,748.70 is: 173,599.82
Step by Step Solution
- Step 1: Write the proportion equation
242,108.70 : 363,114.45 = 115,748.70 : x - Step 2: Convert to fraction form
242,108.70/363,114.45 = 115,748.70/x - Step 3: Cross multiply
242,108.70x = 363,114.45 × 115,748.70 - Step 4: Simplify right side
242,108.70x = 42,030,025,538.72 - Step 5: Solve for x
x = 42,030,025,538.72/242,108.70 - Step 6: Final answer
x = 173,599.82
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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.