Finding the Fourth Proportional to 358,193.92, 493,968.35 and 229,173.22
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Solution
The fourth proportional to 358,193.92, 493,968.35 and 229,173.22 is: 316,041.99
Step by Step Solution
- Step 1: Write the proportion equation
358,193.92 : 493,968.35 = 229,173.22 : x - Step 2: Convert to fraction form
358,193.92/493,968.35 = 229,173.22/x - Step 3: Cross multiply
358,193.92x = 493,968.35 × 229,173.22 - Step 4: Simplify right side
358,193.92x = 113,204,319,282.72 - Step 5: Solve for x
x = 113,204,319,282.72/358,193.92 - Step 6: Final answer
x = 316,041.99
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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.