Finding the Fourth Proportional to 378,041.76, 521,696.06 and 205,959.19
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Solution
The fourth proportional to 378,041.76, 521,696.06 and 205,959.19 is: 284,222.82
Step by Step Solution
- Step 1: Write the proportion equation
378,041.76 : 521,696.06 = 205,959.19 : x - Step 2: Convert to fraction form
378,041.76/521,696.06 = 205,959.19/x - Step 3: Cross multiply
378,041.76x = 521,696.06 × 205,959.19 - Step 4: Simplify right side
378,041.76x = 107,448,096,914.00 - Step 5: Solve for x
x = 107,448,096,914.00/378,041.76 - Step 6: Final answer
x = 284,222.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.