Finding the Fourth Proportional to 208,187.24, 312,330.62 and 67,946.12
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Solution
The fourth proportional to 208,187.24, 312,330.62 and 67,946.12 is: 101,935.42
Step by Step Solution
- Step 1: Write the proportion equation
208,187.24 : 312,330.62 = 67,946.12 : x - Step 2: Convert to fraction form
208,187.24/312,330.62 = 67,946.12/x - Step 3: Cross multiply
208,187.24x = 312,330.62 × 67,946.12 - Step 4: Simplify right side
208,187.24x = 21,221,653,786.19 - Step 5: Solve for x
x = 21,221,653,786.19/208,187.24 - Step 6: Final answer
x = 101,935.42
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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.