Finding the Fourth Proportional to 135,201.80, 202,802.70 and 114,465.80
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Solution
The fourth proportional to 135,201.80, 202,802.70 and 114,465.80 is: 171,698.70
Step by Step Solution
- Step 1: Write the proportion equation
135,201.80 : 202,802.70 = 114,465.80 : x - Step 2: Convert to fraction form
135,201.80/202,802.70 = 114,465.80/x - Step 3: Cross multiply
135,201.80x = 202,802.70 × 114,465.80 - Step 4: Simplify right side
135,201.80x = 23,213,973,297.66 - Step 5: Solve for x
x = 23,213,973,297.66/135,201.80 - Step 6: Final answer
x = 171,698.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.