Finding the Fourth Proportional to 509,201.80, 763,912.86 and 193,664.68
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Solution
The fourth proportional to 509,201.80, 763,912.86 and 193,664.68 is: 290,538.92
Step by Step Solution
- Step 1: Write the proportion equation
509,201.80 : 763,912.86 = 193,664.68 : x - Step 2: Convert to fraction form
509,201.80/763,912.86 = 193,664.68/x - Step 3: Cross multiply
509,201.80x = 763,912.86 × 193,664.68 - Step 4: Simplify right side
509,201.80x = 147,942,939,579.79 - Step 5: Solve for x
x = 147,942,939,579.79/509,201.80 - Step 6: Final answer
x = 290,538.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.