Finding the Fourth Proportional to 372,028.95, 557,600.36 and 259,097.74
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Solution
The fourth proportional to 372,028.95, 557,600.36 and 259,097.74 is: 388,338.03
Step by Step Solution
- Step 1: Write the proportion equation
372,028.95 : 557,600.36 = 259,097.74 : x - Step 2: Convert to fraction form
372,028.95/557,600.36 = 259,097.74/x - Step 3: Cross multiply
372,028.95x = 557,600.36 × 259,097.74 - Step 4: Simplify right side
372,028.95x = 144,472,990,409.70 - Step 5: Solve for x
x = 144,472,990,409.70/372,028.95 - Step 6: Final answer
x = 388,338.03
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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.