Finding the Fourth Proportional to 121,396.75, 182,130.65 and 62,273.63
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Solution
The fourth proportional to 121,396.75, 182,130.65 and 62,273.63 is: 93,428.67
Step by Step Solution
- Step 1: Write the proportion equation
121,396.75 : 182,130.65 = 62,273.63 : x - Step 2: Convert to fraction form
121,396.75/182,130.65 = 62,273.63/x - Step 3: Cross multiply
121,396.75x = 182,130.65 × 62,273.63 - Step 4: Simplify right side
121,396.75x = 11,341,936,709.76 - Step 5: Solve for x
x = 11,341,936,709.76/121,396.75 - Step 6: Final answer
x = 93,428.67
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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.