Finding the Fourth Proportional to 248,833.48, 343,396.74 and 153,403.24
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Solution
The fourth proportional to 248,833.48, 343,396.74 and 153,403.24 is: 211,700.50
Step by Step Solution
- Step 1: Write the proportion equation
248,833.48 : 343,396.74 = 153,403.24 : x - Step 2: Convert to fraction form
248,833.48/343,396.74 = 153,403.24/x - Step 3: Cross multiply
248,833.48x = 343,396.74 × 153,403.24 - Step 4: Simplify right side
248,833.48x = 52,678,172,521.44 - Step 5: Solve for x
x = 52,678,172,521.44/248,833.48 - Step 6: Final answer
x = 211,700.50
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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.