Finding the Fourth Proportional to 460,201.68, 690,332.28 and 144,670.80
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Solution
The fourth proportional to 460,201.68, 690,332.28 and 144,670.80 is: 217,015.56
Step by Step Solution
- Step 1: Write the proportion equation
460,201.68 : 690,332.28 = 144,670.80 : x - Step 2: Convert to fraction form
460,201.68/690,332.28 = 144,670.80/x - Step 3: Cross multiply
460,201.68x = 690,332.28 × 144,670.80 - Step 4: Simplify right side
460,201.68x = 99,870,923,213.42 - Step 5: Solve for x
x = 99,870,923,213.42/460,201.68 - Step 6: Final answer
x = 217,015.56
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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.