Finding the Fourth Proportional to 128,204.36, 192,306.68 and 33,434.44
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Solution
The fourth proportional to 128,204.36, 192,306.68 and 33,434.44 is: 50,151.70
Step by Step Solution
- Step 1: Write the proportion equation
128,204.36 : 192,306.68 = 33,434.44 : x - Step 2: Convert to fraction form
128,204.36/192,306.68 = 33,434.44/x - Step 3: Cross multiply
128,204.36x = 192,306.68 × 33,434.44 - Step 4: Simplify right side
128,204.36x = 6,429,666,154.06 - Step 5: Solve for x
x = 6,429,666,154.06/128,204.36 - Step 6: Final answer
x = 50,151.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.