Finding the Fourth Proportional to 319,316.96, 440,660.40 and 176,082.14
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Solution
The fourth proportional to 319,316.96, 440,660.40 and 176,082.14 is: 242,995.00
Step by Step Solution
- Step 1: Write the proportion equation
319,316.96 : 440,660.40 = 176,082.14 : x - Step 2: Convert to fraction form
319,316.96/440,660.40 = 176,082.14/x - Step 3: Cross multiply
319,316.96x = 440,660.40 × 176,082.14 - Step 4: Simplify right side
319,316.96x = 77,592,426,245.26 - Step 5: Solve for x
x = 77,592,426,245.26/319,316.96 - Step 6: Final answer
x = 242,995.00
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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.