Finding the Fourth Proportional to 340,279.49, 469,612.82 and 197,042.06
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Solution
The fourth proportional to 340,279.49, 469,612.82 and 197,042.06 is: 271,933.75
Step by Step Solution
- Step 1: Write the proportion equation
340,279.49 : 469,612.82 = 197,042.06 : x - Step 2: Convert to fraction form
340,279.49/469,612.82 = 197,042.06/x - Step 3: Cross multiply
340,279.49x = 469,612.82 × 197,042.06 - Step 4: Simplify right side
340,279.49x = 92,533,476,470.00 - Step 5: Solve for x
x = 92,533,476,470.00/340,279.49 - Step 6: Final answer
x = 271,933.75
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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.