Finding the Fourth Proportional to 370,769.94, 511,688.75 and 209,626.52
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Solution
The fourth proportional to 370,769.94, 511,688.75 and 209,626.52 is: 289,299.42
Step by Step Solution
- Step 1: Write the proportion equation
370,769.94 : 511,688.75 = 209,626.52 : x - Step 2: Convert to fraction form
370,769.94/511,688.75 = 209,626.52/x - Step 3: Cross multiply
370,769.94x = 511,688.75 × 209,626.52 - Step 4: Simplify right side
370,769.94x = 107,263,528,379.07 - Step 5: Solve for x
x = 107,263,528,379.07/370,769.94 - Step 6: Final answer
x = 289,299.42
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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.