Finding the Fourth Proportional to 128,552.88, 192,954.04 and 62,039.84
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Solution
The fourth proportional to 128,552.88, 192,954.04 and 62,039.84 is: 93,119.95
Step by Step Solution
- Step 1: Write the proportion equation
128,552.88 : 192,954.04 = 62,039.84 : x - Step 2: Convert to fraction form
128,552.88/192,954.04 = 62,039.84/x - Step 3: Cross multiply
128,552.88x = 192,954.04 × 62,039.84 - Step 4: Simplify right side
128,552.88x = 11,970,837,768.95 - Step 5: Solve for x
x = 11,970,837,768.95/128,552.88 - Step 6: Final answer
x = 93,119.95
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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.