Finding the Fourth Proportional to 281,305.91, 388,192.50 and 160,486.31
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Solution
The fourth proportional to 281,305.91, 388,192.50 and 160,486.31 is: 221,465.60
Step by Step Solution
- Step 1: Write the proportion equation
281,305.91 : 388,192.50 = 160,486.31 : x - Step 2: Convert to fraction form
281,305.91/388,192.50 = 160,486.31/x - Step 3: Cross multiply
281,305.91x = 388,192.50 × 160,486.31 - Step 4: Simplify right side
281,305.91x = 62,299,582,865.16 - Step 5: Solve for x
x = 62,299,582,865.16/281,305.91 - Step 6: Final answer
x = 221,465.60
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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.