Finding the Fourth Proportional to 382,268.21, 527,543.67 and 210,199.28
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Solution
The fourth proportional to 382,268.21, 527,543.67 and 210,199.28 is: 290,082.45
Step by Step Solution
- Step 1: Write the proportion equation
382,268.21 : 527,543.67 = 210,199.28 : x - Step 2: Convert to fraction form
382,268.21/527,543.67 = 210,199.28/x - Step 3: Cross multiply
382,268.21x = 527,543.67 × 210,199.28 - Step 4: Simplify right side
382,268.21x = 110,889,299,602.56 - Step 5: Solve for x
x = 110,889,299,602.56/382,268.21 - Step 6: Final answer
x = 290,082.45
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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.