Finding the Fourth Proportional to 248,641.30, 343,113.06 and 141,197.14
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Solution
The fourth proportional to 248,641.30, 343,113.06 and 141,197.14 is: 194,845.28
Step by Step Solution
- Step 1: Write the proportion equation
248,641.30 : 343,113.06 = 141,197.14 : x - Step 2: Convert to fraction form
248,641.30/343,113.06 = 141,197.14/x - Step 3: Cross multiply
248,641.30x = 343,113.06 × 141,197.14 - Step 4: Simplify right side
248,641.30x = 48,446,582,768.65 - Step 5: Solve for x
x = 48,446,582,768.65/248,641.30 - Step 6: Final answer
x = 194,845.28
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1.5x scale
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.