Finding the Fourth Proportional to 319,203.36, 440,503.68 and 175,968.54
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Solution
The fourth proportional to 319,203.36, 440,503.68 and 175,968.54 is: 242,838.26
Step by Step Solution
- Step 1: Write the proportion equation
319,203.36 : 440,503.68 = 175,968.54 : x - Step 2: Convert to fraction form
319,203.36/440,503.68 = 175,968.54/x - Step 3: Cross multiply
319,203.36x = 440,503.68 × 175,968.54 - Step 4: Simplify right side
319,203.36x = 77,514,789,434.23 - Step 5: Solve for x
x = 77,514,789,434.23/319,203.36 - Step 6: Final answer
x = 242,838.26
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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.