Finding the Fourth Proportional to 121,816.64, 182,744.66 and 37,557.09
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Solution
The fourth proportional to 121,816.64, 182,744.66 and 37,557.09 is: 56,341.71
Step by Step Solution
- Step 1: Write the proportion equation
121,816.64 : 182,744.66 = 37,557.09 : x - Step 2: Convert to fraction form
121,816.64/182,744.66 = 37,557.09/x - Step 3: Cross multiply
121,816.64x = 182,744.66 × 37,557.09 - Step 4: Simplify right side
121,816.64x = 6,863,357,454.85 - Step 5: Solve for x
x = 6,863,357,454.85/121,816.64 - Step 6: Final answer
x = 56,341.71
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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.