Finding the Fourth Proportional to 225,908.70, 338,753.61 and 68,107.74
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Solution
The fourth proportional to 225,908.70, 338,753.61 and 68,107.74 is: 102,128.62
Step by Step Solution
- Step 1: Write the proportion equation
225,908.70 : 338,753.61 = 68,107.74 : x - Step 2: Convert to fraction form
225,908.70/338,753.61 = 68,107.74/x - Step 3: Cross multiply
225,908.70x = 338,753.61 × 68,107.74 - Step 4: Simplify right side
225,908.70x = 23,071,742,793.94 - Step 5: Solve for x
x = 23,071,742,793.94/225,908.70 - Step 6: Final answer
x = 102,128.62
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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.