Finding the Fourth Proportional to 121,900.24, 182,040.26 and 120,580.66
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Solution
The fourth proportional to 121,900.24, 182,040.26 and 120,580.66 is: 180,069.66
Step by Step Solution
- Step 1: Write the proportion equation
121,900.24 : 182,040.26 = 120,580.66 : x - Step 2: Convert to fraction form
121,900.24/182,040.26 = 120,580.66/x - Step 3: Cross multiply
121,900.24x = 182,040.26 × 120,580.66 - Step 4: Simplify right side
121,900.24x = 21,950,534,697.37 - Step 5: Solve for x
x = 21,950,534,697.37/121,900.24 - Step 6: Final answer
x = 180,069.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.