Finding the Fourth Proportional to 188,933.93, 260,684.06 and 107,244.02
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Solution
The fourth proportional to 188,933.93, 260,684.06 and 107,244.02 is: 147,971.33
Step by Step Solution
- Step 1: Write the proportion equation
188,933.93 : 260,684.06 = 107,244.02 : x - Step 2: Convert to fraction form
188,933.93/260,684.06 = 107,244.02/x - Step 3: Cross multiply
188,933.93x = 260,684.06 × 107,244.02 - Step 4: Simplify right side
188,933.93x = 27,956,804,704.68 - Step 5: Solve for x
x = 27,956,804,704.68/188,933.93 - Step 6: Final answer
x = 147,971.33
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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.