Finding the Fourth Proportional to 248,743.16, 343,266.70 and 141,319.09
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Solution
The fourth proportional to 248,743.16, 343,266.70 and 141,319.09 is: 195,020.99
Step by Step Solution
- Step 1: Write the proportion equation
248,743.16 : 343,266.70 = 141,319.09 : x - Step 2: Convert to fraction form
248,743.16/343,266.70 = 141,319.09/x - Step 3: Cross multiply
248,743.16x = 343,266.70 × 141,319.09 - Step 4: Simplify right side
248,743.16x = 48,510,137,671.30 - Step 5: Solve for x
x = 48,510,137,671.30/248,743.16 - Step 6: Final answer
x = 195,020.99
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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.