Finding the Fourth Proportional to 146,587.18, 202,290.70 and 79,519.18
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Solution
The fourth proportional to 146,587.18, 202,290.70 and 79,519.18 is: 109,736.68
Step by Step Solution
- Step 1: Write the proportion equation
146,587.18 : 202,290.70 = 79,519.18 : x - Step 2: Convert to fraction form
146,587.18/202,290.70 = 79,519.18/x - Step 3: Cross multiply
146,587.18x = 202,290.70 × 79,519.18 - Step 4: Simplify right side
146,587.18x = 16,085,990,188.03 - Step 5: Solve for x
x = 16,085,990,188.03/146,587.18 - Step 6: Final answer
x = 109,736.68
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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.