Finding the Fourth Proportional to 306,989.63, 460,558.17 and 117,446.90
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Solution
The fourth proportional to 306,989.63, 460,558.17 and 117,446.90 is: 176,198.55
Step by Step Solution
- Step 1: Write the proportion equation
306,989.63 : 460,558.17 = 117,446.90 : x - Step 2: Convert to fraction form
306,989.63/460,558.17 = 117,446.90/x - Step 3: Cross multiply
306,989.63x = 460,558.17 × 117,446.90 - Step 4: Simplify right side
306,989.63x = 54,091,127,033.38 - Step 5: Solve for x
x = 54,091,127,033.38/306,989.63 - Step 6: Final answer
x = 176,198.55
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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.