Finding the Fourth Proportional to 117,092.62, 175,639.40 and 28,345.99
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Solution
The fourth proportional to 117,092.62, 175,639.40 and 28,345.99 is: 42,519.10
Step by Step Solution
- Step 1: Write the proportion equation
117,092.62 : 175,639.40 = 28,345.99 : x - Step 2: Convert to fraction form
117,092.62/175,639.40 = 28,345.99/x - Step 3: Cross multiply
117,092.62x = 175,639.40 × 28,345.99 - Step 4: Simplify right side
117,092.62x = 4,978,672,676.01 - Step 5: Solve for x
x = 4,978,672,676.01/117,092.62 - Step 6: Final answer
x = 42,519.10
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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.