Finding the Fourth Proportional to 248,790.76, 343,340.58 and 141,379.08
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Solution
The fourth proportional to 248,790.76, 343,340.58 and 141,379.08 is: 195,108.43
Step by Step Solution
- Step 1: Write the proportion equation
248,790.76 : 343,340.58 = 141,379.08 : x - Step 2: Convert to fraction form
248,790.76/343,340.58 = 141,379.08/x - Step 3: Cross multiply
248,790.76x = 343,340.58 × 141,379.08 - Step 4: Simplify right side
248,790.76x = 48,541,175,327.07 - Step 5: Solve for x
x = 48,541,175,327.07/248,790.76 - Step 6: Final answer
x = 195,108.43
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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.