Finding the Fourth Proportional to 319,042.24, 440,287.70 and 175,811.51
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Solution
The fourth proportional to 319,042.24, 440,287.70 and 175,811.51 is: 242,625.07
Step by Step Solution
- Step 1: Write the proportion equation
319,042.24 : 440,287.70 = 175,811.51 : x - Step 2: Convert to fraction form
319,042.24/440,287.70 = 175,811.51/x - Step 3: Cross multiply
319,042.24x = 440,287.70 × 175,811.51 - Step 4: Simplify right side
319,042.24x = 77,407,646,582.03 - Step 5: Solve for x
x = 77,407,646,582.03/319,042.24 - Step 6: Final answer
x = 242,625.07
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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.