Finding the Fourth Proportional to 117,320.93, 175,979.57 and 28,573.68
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Solution
The fourth proportional to 117,320.93, 175,979.57 and 28,573.68 is: 42,860.08
Step by Step Solution
- Step 1: Write the proportion equation
117,320.93 : 175,979.57 = 28,573.68 : x - Step 2: Convert to fraction form
117,320.93/175,979.57 = 28,573.68/x - Step 3: Cross multiply
117,320.93x = 175,979.57 × 28,573.68 - Step 4: Simplify right side
117,320.93x = 5,028,383,776.85 - Step 5: Solve for x
x = 5,028,383,776.85/117,320.93 - Step 6: Final answer
x = 42,860.08
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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.