Finding the Fourth Proportional to 171,320.24, 256,516.68 and 121,193.84
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Solution
The fourth proportional to 171,320.24, 256,516.68 and 121,193.84 is: 181,462.75
Step by Step Solution
- Step 1: Write the proportion equation
171,320.24 : 256,516.68 = 121,193.84 : x - Step 2: Convert to fraction form
171,320.24/256,516.68 = 121,193.84/x - Step 3: Cross multiply
171,320.24x = 256,516.68 × 121,193.84 - Step 4: Simplify right side
171,320.24x = 31,088,241,473.25 - Step 5: Solve for x
x = 31,088,241,473.25/171,320.24 - Step 6: Final answer
x = 181,462.75
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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.