Finding the Fourth Proportional to 378,892.56, 565,233.18 and 368,595.84
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Solution
The fourth proportional to 378,892.56, 565,233.18 and 368,595.84 is: 549,872.50
Step by Step Solution
- Step 1: Write the proportion equation
378,892.56 : 565,233.18 = 368,595.84 : x - Step 2: Convert to fraction form
378,892.56/565,233.18 = 368,595.84/x - Step 3: Cross multiply
378,892.56x = 565,233.18 × 368,595.84 - Step 4: Simplify right side
378,892.56x = 208,342,598,777.97 - Step 5: Solve for x
x = 208,342,598,777.97/378,892.56 - Step 6: Final answer
x = 549,872.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.