Finding the Fourth Proportional to 369,232.68, 509,581.85 and 214,218.12
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Solution
The fourth proportional to 369,232.68, 509,581.85 and 214,218.12 is: 295,644.65
Step by Step Solution
- Step 1: Write the proportion equation
369,232.68 : 509,581.85 = 214,218.12 : x - Step 2: Convert to fraction form
369,232.68/509,581.85 = 214,218.12/x - Step 3: Cross multiply
369,232.68x = 509,581.85 × 214,218.12 - Step 4: Simplify right side
369,232.68x = 109,161,664,583.16 - Step 5: Solve for x
x = 109,161,664,583.16/369,232.68 - Step 6: Final answer
x = 295,644.65
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1.5x scale
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.