Finding the Fourth Proportional to 248,466.11, 342,888.86 and 141,026.09
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Solution
The fourth proportional to 248,466.11, 342,888.86 and 141,026.09 is: 194,619.20
Step by Step Solution
- Step 1: Write the proportion equation
248,466.11 : 342,888.86 = 141,026.09 : x - Step 2: Convert to fraction form
248,466.11/342,888.86 = 141,026.09/x - Step 3: Cross multiply
248,466.11x = 342,888.86 × 141,026.09 - Step 4: Simplify right side
248,466.11x = 48,356,273,868.48 - Step 5: Solve for x
x = 48,356,273,868.48/248,466.11 - Step 6: Final answer
x = 194,619.20
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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.