Finding the Fourth Proportional to 219,330.75, 302,676.45 and 118,728.75
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Solution
The fourth proportional to 219,330.75, 302,676.45 and 118,728.75 is: 163,845.68
Step by Step Solution
- Step 1: Write the proportion equation
219,330.75 : 302,676.45 = 118,728.75 : x - Step 2: Convert to fraction form
219,330.75/302,676.45 = 118,728.75/x - Step 3: Cross multiply
219,330.75x = 302,676.45 × 118,728.75 - Step 4: Simplify right side
219,330.75x = 35,936,396,562.94 - Step 5: Solve for x
x = 35,936,396,562.94/219,330.75 - Step 6: Final answer
x = 163,845.68
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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.