Finding the Fourth Proportional to 319,552.98, 440,982.79 and 176,313.02
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Solution
The fourth proportional to 319,552.98, 440,982.79 and 176,313.02 is: 243,311.78
Step by Step Solution
- Step 1: Write the proportion equation
319,552.98 : 440,982.79 = 176,313.02 : x - Step 2: Convert to fraction form
319,552.98/440,982.79 = 176,313.02/x - Step 3: Cross multiply
319,552.98x = 440,982.79 × 176,313.02 - Step 4: Simplify right side
319,552.98x = 77,751,004,827.23 - Step 5: Solve for x
x = 77,751,004,827.23/319,552.98 - Step 6: Final answer
x = 243,311.78
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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.