Finding the Fourth Proportional to 121,750.40, 182,530.02 and 77,368.88
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Solution
The fourth proportional to 121,750.40, 182,530.02 and 77,368.88 is: 115,992.58
Step by Step Solution
- Step 1: Write the proportion equation
121,750.40 : 182,530.02 = 77,368.88 : x - Step 2: Convert to fraction form
121,750.40/182,530.02 = 77,368.88/x - Step 3: Cross multiply
121,750.40x = 182,530.02 × 77,368.88 - Step 4: Simplify right side
121,750.40x = 14,122,143,213.78 - Step 5: Solve for x
x = 14,122,143,213.78/121,750.40 - Step 6: Final answer
x = 115,992.58
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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.