Finding the Fourth Proportional to 225,724.91, 311,493.62 and 123,746.88
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Solution
The fourth proportional to 225,724.91, 311,493.62 and 123,746.88 is: 170,766.99
Step by Step Solution
- Step 1: Write the proportion equation
225,724.91 : 311,493.62 = 123,746.88 : x - Step 2: Convert to fraction form
225,724.91/311,493.62 = 123,746.88/x - Step 3: Cross multiply
225,724.91x = 311,493.62 × 123,746.88 - Step 4: Simplify right side
225,724.91x = 38,546,362,996.17 - Step 5: Solve for x
x = 38,546,362,996.17/225,724.91 - Step 6: Final answer
x = 170,766.99
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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.