Finding the Fourth Proportional to 389,296.26, 537,266.41 and 236,299.19
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Solution
The fourth proportional to 389,296.26, 537,266.41 and 236,299.19 is: 326,115.68
Step by Step Solution
- Step 1: Write the proportion equation
389,296.26 : 537,266.41 = 236,299.19 : x - Step 2: Convert to fraction form
389,296.26/537,266.41 = 236,299.19/x - Step 3: Cross multiply
389,296.26x = 537,266.41 × 236,299.19 - Step 4: Simplify right side
389,296.26x = 126,955,614,220.13 - Step 5: Solve for x
x = 126,955,614,220.13/389,296.26 - Step 6: Final answer
x = 326,115.68
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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.