Finding the Fourth Proportional to 212,532.99, 292,796.66 and 147,891.06
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Solution
The fourth proportional to 212,532.99, 292,796.66 and 147,891.06 is: 203,742.53
Step by Step Solution
- Step 1: Write the proportion equation
212,532.99 : 292,796.66 = 147,891.06 : x - Step 2: Convert to fraction form
212,532.99/292,796.66 = 147,891.06/x - Step 3: Cross multiply
212,532.99x = 292,796.66 × 147,891.06 - Step 4: Simplify right side
212,532.99x = 43,302,009,879.57 - Step 5: Solve for x
x = 43,302,009,879.57/212,532.99 - Step 6: Final answer
x = 203,742.53
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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.