Finding the Fourth Proportional to 242,152.74, 363,228.48 and 115,408.80
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Solution
The fourth proportional to 242,152.74, 363,228.48 and 115,408.80 is: 173,112.90
Step by Step Solution
- Step 1: Write the proportion equation
242,152.74 : 363,228.48 = 115,408.80 : x - Step 2: Convert to fraction form
242,152.74/363,228.48 = 115,408.80/x - Step 3: Cross multiply
242,152.74x = 363,228.48 × 115,408.80 - Step 4: Simplify right side
242,152.74x = 41,919,763,002.62 - Step 5: Solve for x
x = 41,919,763,002.62/242,152.74 - Step 6: Final answer
x = 173,112.90
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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.