Finding the Fourth Proportional to 319,203.62, 440,504.07 and 175,968.80
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Solution
The fourth proportional to 319,203.62, 440,504.07 and 175,968.80 is: 242,838.64
Step by Step Solution
- Step 1: Write the proportion equation
319,203.62 : 440,504.07 = 175,968.80 : x - Step 2: Convert to fraction form
319,203.62/440,504.07 = 175,968.80/x - Step 3: Cross multiply
319,203.62x = 440,504.07 × 175,968.80 - Step 4: Simplify right side
319,203.62x = 77,514,972,593.02 - Step 5: Solve for x
x = 77,514,972,593.02/319,203.62 - Step 6: Final answer
x = 242,838.64
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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.