Finding the Fourth Proportional to 498,283.63, 687,631.21 and 271,929.13
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Solution
The fourth proportional to 498,283.63, 687,631.21 and 271,929.13 is: 375,262.09
Step by Step Solution
- Step 1: Write the proportion equation
498,283.63 : 687,631.21 = 271,929.13 : x - Step 2: Convert to fraction form
498,283.63/687,631.21 = 271,929.13/x - Step 3: Cross multiply
498,283.63x = 687,631.21 × 271,929.13 - Step 4: Simplify right side
498,283.63x = 186,986,956,696.15 - Step 5: Solve for x
x = 186,986,956,696.15/498,283.63 - Step 6: Final answer
x = 375,262.09
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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.