Finding the Fourth Proportional to 762,107.35, 1,143,161.54 and 193,531.09
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Solution
The fourth proportional to 762,107.35, 1,143,161.54 and 193,531.09 is: 290,296.77
Step by Step Solution
- Step 1: Write the proportion equation
762,107.35 : 1,143,161.54 = 193,531.09 : x - Step 2: Convert to fraction form
762,107.35/1,143,161.54 = 193,531.09/x - Step 3: Cross multiply
762,107.35x = 1,143,161.54 × 193,531.09 - Step 4: Simplify right side
762,107.35x = 221,237,298,882.28 - Step 5: Solve for x
x = 221,237,298,882.28/762,107.35 - Step 6: Final answer
x = 290,296.77
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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.