Finding the Fourth Proportional to 378,409.24, 566,971.55 and 228,334.19
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Solution
The fourth proportional to 378,409.24, 566,971.55 and 228,334.19 is: 342,113.71
Step by Step Solution
- Step 1: Write the proportion equation
378,409.24 : 566,971.55 = 228,334.19 : x - Step 2: Convert to fraction form
378,409.24/566,971.55 = 228,334.19/x - Step 3: Cross multiply
378,409.24x = 566,971.55 × 228,334.19 - Step 4: Simplify right side
378,409.24x = 129,458,989,691.23 - Step 5: Solve for x
x = 129,458,989,691.23/378,409.24 - Step 6: Final answer
x = 342,113.71
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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.