Finding the Fourth Proportional to 149,121.44, 205,719.80 and 88,657.80
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Solution
The fourth proportional to 149,121.44, 205,719.80 and 88,657.80 is: 122,307.46
Step by Step Solution
- Step 1: Write the proportion equation
149,121.44 : 205,719.80 = 88,657.80 : x - Step 2: Convert to fraction form
149,121.44/205,719.80 = 88,657.80/x - Step 3: Cross multiply
149,121.44x = 205,719.80 × 88,657.80 - Step 4: Simplify right side
149,121.44x = 18,238,664,884.44 - Step 5: Solve for x
x = 18,238,664,884.44/149,121.44 - Step 6: Final answer
x = 122,307.46
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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.