Finding the Fourth Proportional to 261,370.94, 392,009.73 and 166,318.97
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Solution
The fourth proportional to 261,370.94, 392,009.73 and 166,318.97 is: 249,448.75
Step by Step Solution
- Step 1: Write the proportion equation
261,370.94 : 392,009.73 = 166,318.97 : x - Step 2: Convert to fraction form
261,370.94/392,009.73 = 166,318.97/x - Step 3: Cross multiply
261,370.94x = 392,009.73 × 166,318.97 - Step 4: Simplify right side
261,370.94x = 65,198,652,563.53 - Step 5: Solve for x
x = 65,198,652,563.53/261,370.94 - Step 6: Final answer
x = 249,448.75
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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.