Finding the Fourth Proportional to 229,486.48, 343,731.20 and 110,909.12
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Solution
The fourth proportional to 229,486.48, 343,731.20 and 110,909.12 is: 166,122.75
Step by Step Solution
- Step 1: Write the proportion equation
229,486.48 : 343,731.20 = 110,909.12 : x - Step 2: Convert to fraction form
229,486.48/343,731.20 = 110,909.12/x - Step 3: Cross multiply
229,486.48x = 343,731.20 × 110,909.12 - Step 4: Simplify right side
229,486.48x = 38,122,924,908.54 - Step 5: Solve for x
x = 38,122,924,908.54/229,486.48 - Step 6: Final answer
x = 166,122.75
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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.