Finding the Fourth Proportional to 169,430.28, 233,841.84 and 94,003.08
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Solution
The fourth proportional to 169,430.28, 233,841.84 and 94,003.08 is: 129,739.82
Step by Step Solution
- Step 1: Write the proportion equation
169,430.28 : 233,841.84 = 94,003.08 : x - Step 2: Convert to fraction form
169,430.28/233,841.84 = 94,003.08/x - Step 3: Cross multiply
169,430.28x = 233,841.84 × 94,003.08 - Step 4: Simplify right side
169,430.28x = 21,981,853,192.87 - Step 5: Solve for x
x = 21,981,853,192.87/169,430.28 - Step 6: Final answer
x = 129,739.82
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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.