Finding the Fourth Proportional to 149,120.44, 205,718.42 and 88,656.80
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Solution
The fourth proportional to 149,120.44, 205,718.42 and 88,656.80 is: 122,306.08
Step by Step Solution
- Step 1: Write the proportion equation
149,120.44 : 205,718.42 = 88,656.80 : x - Step 2: Convert to fraction form
149,120.44/205,718.42 = 88,656.80/x - Step 3: Cross multiply
149,120.44x = 205,718.42 × 88,656.80 - Step 4: Simplify right side
149,120.44x = 18,238,336,818.26 - Step 5: Solve for x
x = 18,238,336,818.26/149,120.44 - Step 6: Final answer
x = 122,306.08
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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.