Finding the Fourth Proportional to 319,301.94, 440,639.73 and 176,067.12
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Solution
The fourth proportional to 319,301.94, 440,639.73 and 176,067.12 is: 242,974.31
Step by Step Solution
- Step 1: Write the proportion equation
319,301.94 : 440,639.73 = 176,067.12 : x - Step 2: Convert to fraction form
319,301.94/440,639.73 = 176,067.12/x - Step 3: Cross multiply
319,301.94x = 440,639.73 × 176,067.12 - Step 4: Simplify right side
319,301.94x = 77,582,168,218.68 - Step 5: Solve for x
x = 77,582,168,218.68/319,301.94 - Step 6: Final answer
x = 242,974.31
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1.5x scale
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.