Finding the Fourth Proportional to 314,956.24, 434,633.76 and 171,717.52
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Solution
The fourth proportional to 314,956.24, 434,633.76 and 171,717.52 is: 236,966.99
Step by Step Solution
- Step 1: Write the proportion equation
314,956.24 : 434,633.76 = 171,717.52 : x - Step 2: Convert to fraction form
314,956.24/434,633.76 = 171,717.52/x - Step 3: Cross multiply
314,956.24x = 434,633.76 × 171,717.52 - Step 4: Simplify right side
314,956.24x = 74,634,231,375.48 - Step 5: Solve for x
x = 74,634,231,375.48/314,956.24 - Step 6: Final answer
x = 236,966.99
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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.