Finding the Fourth Proportional to 319,322.79, 440,668.94 and 176,087.97
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Solution
The fourth proportional to 319,322.79, 440,668.94 and 176,087.97 is: 243,003.32
Step by Step Solution
- Step 1: Write the proportion equation
319,322.79 : 440,668.94 = 176,087.97 : x - Step 2: Convert to fraction form
319,322.79/440,668.94 = 176,087.97/x - Step 3: Cross multiply
319,322.79x = 440,668.94 × 176,087.97 - Step 4: Simplify right side
319,322.79x = 77,596,498,206.21 - Step 5: Solve for x
x = 77,596,498,206.21/319,322.79 - Step 6: Final answer
x = 243,003.32
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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.