Finding the Fourth Proportional to 190,552.14, 262,955.70 and 105,675.48
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Solution
The fourth proportional to 190,552.14, 262,955.70 and 105,675.48 is: 145,828.69
Step by Step Solution
- Step 1: Write the proportion equation
190,552.14 : 262,955.70 = 105,675.48 : x - Step 2: Convert to fraction form
190,552.14/262,955.70 = 105,675.48/x - Step 3: Cross multiply
190,552.14x = 262,955.70 × 105,675.48 - Step 4: Simplify right side
190,552.14x = 27,787,969,816.24 - Step 5: Solve for x
x = 27,787,969,816.24/190,552.14 - Step 6: Final answer
x = 145,828.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.