Finding the Fourth Proportional to 126,382.78, 174,409.08 and 69,020.62
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Solution
The fourth proportional to 126,382.78, 174,409.08 and 69,020.62 is: 95,248.92
Step by Step Solution
- Step 1: Write the proportion equation
126,382.78 : 174,409.08 = 69,020.62 : x - Step 2: Convert to fraction form
126,382.78/174,409.08 = 69,020.62/x - Step 3: Cross multiply
126,382.78x = 174,409.08 × 69,020.62 - Step 4: Simplify right side
126,382.78x = 12,037,822,835.23 - Step 5: Solve for x
x = 12,037,822,835.23/126,382.78 - Step 6: Final answer
x = 95,248.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.