Finding the Fourth Proportional to 415,564.75, 573,479.49 and 236,716.75
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Solution
The fourth proportional to 415,564.75, 573,479.49 and 236,716.75 is: 326,669.19
Step by Step Solution
- Step 1: Write the proportion equation
415,564.75 : 573,479.49 = 236,716.75 : x - Step 2: Convert to fraction form
415,564.75/573,479.49 = 236,716.75/x - Step 3: Cross multiply
415,564.75x = 573,479.49 × 236,716.75 - Step 4: Simplify right side
415,564.75x = 135,752,201,064.46 - Step 5: Solve for x
x = 135,752,201,064.46/415,564.75 - Step 6: Final answer
x = 326,669.19
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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.