Finding the Fourth Proportional to 282,367.15, 423,426.39 and 132,649.99
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Solution
The fourth proportional to 282,367.15, 423,426.39 and 132,649.99 is: 198,916.57
Step by Step Solution
- Step 1: Write the proportion equation
282,367.15 : 423,426.39 = 132,649.99 : x - Step 2: Convert to fraction form
282,367.15/423,426.39 = 132,649.99/x - Step 3: Cross multiply
282,367.15x = 423,426.39 × 132,649.99 - Step 4: Simplify right side
282,367.15x = 56,167,504,843.23 - Step 5: Solve for x
x = 56,167,504,843.23/282,367.15 - Step 6: Final answer
x = 198,916.57
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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.