Finding the Fourth Proportional to 366,980.06, 550,411.05 and 100,678.79
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Solution
The fourth proportional to 366,980.06, 550,411.05 and 100,678.79 is: 151,001.99
Step by Step Solution
- Step 1: Write the proportion equation
366,980.06 : 550,411.05 = 100,678.79 : x - Step 2: Convert to fraction form
366,980.06/550,411.05 = 100,678.79/x - Step 3: Cross multiply
366,980.06x = 550,411.05 × 100,678.79 - Step 4: Simplify right side
366,980.06x = 55,414,718,516.63 - Step 5: Solve for x
x = 55,414,718,516.63/366,980.06 - Step 6: Final answer
x = 151,001.99
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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.