Finding the Fourth Proportional to 155,844.29, 233,708.11 and 122,951.81
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Solution
The fourth proportional to 155,844.29, 233,708.11 and 122,951.81 is: 184,381.70
Step by Step Solution
- Step 1: Write the proportion equation
155,844.29 : 233,708.11 = 122,951.81 : x - Step 2: Convert to fraction form
155,844.29/233,708.11 = 122,951.81/x - Step 3: Cross multiply
155,844.29x = 233,708.11 × 122,951.81 - Step 4: Simplify right side
155,844.29x = 28,734,833,660.26 - Step 5: Solve for x
x = 28,734,833,660.26/155,844.29 - Step 6: Final answer
x = 184,381.70
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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.