Finding the Fourth Proportional to 352,670.49, 486,694.89 and 207,486.45
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Solution
The fourth proportional to 352,670.49, 486,694.89 and 207,486.45 is: 286,336.96
Step by Step Solution
- Step 1: Write the proportion equation
352,670.49 : 486,694.89 = 207,486.45 : x - Step 2: Convert to fraction form
352,670.49/486,694.89 = 207,486.45/x - Step 3: Cross multiply
352,670.49x = 486,694.89 × 207,486.45 - Step 4: Simplify right side
352,670.49x = 100,982,594,959.24 - Step 5: Solve for x
x = 100,982,594,959.24/352,670.49 - Step 6: Final answer
x = 286,336.96
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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.