Finding the Fourth Proportional to 121,395.75, 182,129.15 and 62,272.63
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Solution
The fourth proportional to 121,395.75, 182,129.15 and 62,272.63 is: 93,427.17
Step by Step Solution
- Step 1: Write the proportion equation
121,395.75 : 182,129.15 = 62,272.63 : x - Step 2: Convert to fraction form
121,395.75/182,129.15 = 62,272.63/x - Step 3: Cross multiply
121,395.75x = 182,129.15 × 62,272.63 - Step 4: Simplify right side
121,395.75x = 11,341,661,170.16 - Step 5: Solve for x
x = 11,341,661,170.16/121,395.75 - Step 6: Final answer
x = 93,427.17
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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.