Finding the Fourth Proportional to 147,668.06, 203,781.93 and 80,600.06
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Solution
The fourth proportional to 147,668.06, 203,781.93 and 80,600.06 is: 111,228.09
Step by Step Solution
- Step 1: Write the proportion equation
147,668.06 : 203,781.93 = 80,600.06 : x - Step 2: Convert to fraction form
147,668.06/203,781.93 = 80,600.06/x - Step 3: Cross multiply
147,668.06x = 203,781.93 × 80,600.06 - Step 4: Simplify right side
147,668.06x = 16,424,835,992.12 - Step 5: Solve for x
x = 16,424,835,992.12/147,668.06 - Step 6: Final answer
x = 111,228.09
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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.