Finding the Fourth Proportional to 219,642.08, 303,103.86 and 122,844.92
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Solution
The fourth proportional to 219,642.08, 303,103.86 and 122,844.92 is: 169,524.75
Step by Step Solution
- Step 1: Write the proportion equation
219,642.08 : 303,103.86 = 122,844.92 : x - Step 2: Convert to fraction form
219,642.08/303,103.86 = 122,844.92/x - Step 3: Cross multiply
219,642.08x = 303,103.86 × 122,844.92 - Step 4: Simplify right side
219,642.08x = 37,234,769,433.39 - Step 5: Solve for x
x = 37,234,769,433.39/219,642.08 - Step 6: Final answer
x = 169,524.75
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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.