Finding the Fourth Proportional to 228,615.53, 343,144.62 and 110,369.84
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Solution
The fourth proportional to 228,615.53, 343,144.62 and 110,369.84 is: 165,661.61
Step by Step Solution
- Step 1: Write the proportion equation
228,615.53 : 343,144.62 = 110,369.84 : x - Step 2: Convert to fraction form
228,615.53/343,144.62 = 110,369.84/x - Step 3: Cross multiply
228,615.53x = 343,144.62 × 110,369.84 - Step 4: Simplify right side
228,615.53x = 37,872,815,090.54 - Step 5: Solve for x
x = 37,872,815,090.54/228,615.53 - Step 6: Final answer
x = 165,661.61
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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.