Finding the Fourth Proportional to 460,133.87, 690,516.09 and 160,614.46
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Solution
The fourth proportional to 460,133.87, 690,516.09 and 160,614.46 is: 241,031.75
Step by Step Solution
- Step 1: Write the proportion equation
460,133.87 : 690,516.09 = 160,614.46 : x - Step 2: Convert to fraction form
460,133.87/690,516.09 = 160,614.46/x - Step 3: Cross multiply
460,133.87x = 690,516.09 × 160,614.46 - Step 4: Simplify right side
460,133.87x = 110,906,869,779.81 - Step 5: Solve for x
x = 110,906,869,779.81/460,133.87 - Step 6: Final answer
x = 241,031.75
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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.