Finding the Fourth Proportional to 121,329.24, 181,994.34 and 37,089.09
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Solution
The fourth proportional to 121,329.24, 181,994.34 and 37,089.09 is: 55,633.78
Step by Step Solution
- Step 1: Write the proportion equation
121,329.24 : 181,994.34 = 37,089.09 : x - Step 2: Convert to fraction form
121,329.24/181,994.34 = 37,089.09/x - Step 3: Cross multiply
121,329.24x = 181,994.34 × 37,089.09 - Step 4: Simplify right side
121,329.24x = 6,750,004,455.75 - Step 5: Solve for x
x = 6,750,004,455.75/121,329.24 - Step 6: Final answer
x = 55,633.78
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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.