Finding the Fourth Proportional to 228,926.24, 343,342.60 and 86,722.49
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Solution
The fourth proportional to 228,926.24, 343,342.60 and 86,722.49 is: 130,066.02
Step by Step Solution
- Step 1: Write the proportion equation
228,926.24 : 343,342.60 = 86,722.49 : x - Step 2: Convert to fraction form
228,926.24/343,342.60 = 86,722.49/x - Step 3: Cross multiply
228,926.24x = 343,342.60 × 86,722.49 - Step 4: Simplify right side
228,926.24x = 29,775,523,261.55 - Step 5: Solve for x
x = 29,775,523,261.55/228,926.24 - Step 6: Final answer
x = 130,066.02
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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.