Finding the Fourth Proportional to 146,665.75, 202,398.74 and 79,597.75
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Solution
The fourth proportional to 146,665.75, 202,398.74 and 79,597.75 is: 109,844.90
Step by Step Solution
- Step 1: Write the proportion equation
146,665.75 : 202,398.74 = 79,597.75 : x - Step 2: Convert to fraction form
146,665.75/202,398.74 = 79,597.75/x - Step 3: Cross multiply
146,665.75x = 202,398.74 × 79,597.75 - Step 4: Simplify right side
146,665.75x = 16,110,484,306.84 - Step 5: Solve for x
x = 16,110,484,306.84/146,665.75 - Step 6: Final answer
x = 109,844.90
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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.