Finding the Fourth Proportional to 221,557.44, 305,784.36 and 140,900.88
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Solution
The fourth proportional to 221,557.44, 305,784.36 and 140,900.88 is: 194,465.53
Step by Step Solution
- Step 1: Write the proportion equation
221,557.44 : 305,784.36 = 140,900.88 : x - Step 2: Convert to fraction form
221,557.44/305,784.36 = 140,900.88/x - Step 3: Cross multiply
221,557.44x = 305,784.36 × 140,900.88 - Step 4: Simplify right side
221,557.44x = 43,085,285,414.24 - Step 5: Solve for x
x = 43,085,285,414.24/221,557.44 - Step 6: Final answer
x = 194,465.53
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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.