Finding the Fourth Proportional to 190,611.36, 263,055.60 and 110,053.62
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Solution
The fourth proportional to 190,611.36, 263,055.60 and 110,053.62 is: 151,880.88
Step by Step Solution
- Step 1: Write the proportion equation
190,611.36 : 263,055.60 = 110,053.62 : x - Step 2: Convert to fraction form
190,611.36/263,055.60 = 110,053.62/x - Step 3: Cross multiply
190,611.36x = 263,055.60 × 110,053.62 - Step 4: Simplify right side
190,611.36x = 28,950,221,041.27 - Step 5: Solve for x
x = 28,950,221,041.27/190,611.36 - Step 6: Final answer
x = 151,880.88
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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.