Finding the Fourth Proportional to 179,992.82, 248,421.99 and 103,506.02
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Solution
The fourth proportional to 179,992.82, 248,421.99 and 103,506.02 is: 142,856.65
Step by Step Solution
- Step 1: Write the proportion equation
179,992.82 : 248,421.99 = 103,506.02 : x - Step 2: Convert to fraction form
179,992.82/248,421.99 = 103,506.02/x - Step 3: Cross multiply
179,992.82x = 248,421.99 × 103,506.02 - Step 4: Simplify right side
179,992.82x = 25,713,171,465.38 - Step 5: Solve for x
x = 25,713,171,465.38/179,992.82 - Step 6: Final answer
x = 142,856.65
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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.