Finding the Fourth Proportional to 188,706.93, 260,304.99 and 120,699.09
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Solution
The fourth proportional to 188,706.93, 260,304.99 and 120,699.09 is: 166,494.02
Step by Step Solution
- Step 1: Write the proportion equation
188,706.93 : 260,304.99 = 120,699.09 : x - Step 2: Convert to fraction form
188,706.93/260,304.99 = 120,699.09/x - Step 3: Cross multiply
188,706.93x = 260,304.99 × 120,699.09 - Step 4: Simplify right side
188,706.93x = 31,418,575,415.46 - Step 5: Solve for x
x = 31,418,575,415.46/188,706.93 - Step 6: Final answer
x = 166,494.02
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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.