Finding the Fourth Proportional to 498,687.76, 748,046.76 and 161,719.12
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Solution
The fourth proportional to 498,687.76, 748,046.76 and 161,719.12 is: 242,583.58
Step by Step Solution
- Step 1: Write the proportion equation
498,687.76 : 748,046.76 = 161,719.12 : x - Step 2: Convert to fraction form
498,687.76/748,046.76 = 161,719.12/x - Step 3: Cross multiply
498,687.76x = 748,046.76 × 161,719.12 - Step 4: Simplify right side
498,687.76x = 120,973,463,746.05 - Step 5: Solve for x
x = 120,973,463,746.05/498,687.76 - Step 6: Final answer
x = 242,583.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.