Finding the Fourth Proportional to 243,926.42, 336,607.40 and 135,034.79
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Solution
The fourth proportional to 243,926.42, 336,607.40 and 135,034.79 is: 186,341.88
Step by Step Solution
- Step 1: Write the proportion equation
243,926.42 : 336,607.40 = 135,034.79 : x - Step 2: Convert to fraction form
243,926.42/336,607.40 = 135,034.79/x - Step 3: Cross multiply
243,926.42x = 336,607.40 × 135,034.79 - Step 4: Simplify right side
243,926.42x = 45,453,707,213.24 - Step 5: Solve for x
x = 45,453,707,213.24/243,926.42 - Step 6: Final answer
x = 186,341.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.