Finding the Fourth Proportional to 313,514.97, 470,152.11 and 133,486.26
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Solution
The fourth proportional to 313,514.97, 470,152.11 and 133,486.26 is: 200,178.15
Step by Step Solution
- Step 1: Write the proportion equation
313,514.97 : 470,152.11 = 133,486.26 : x - Step 2: Convert to fraction form
313,514.97/470,152.11 = 133,486.26/x - Step 3: Cross multiply
313,514.97x = 470,152.11 × 133,486.26 - Step 4: Simplify right side
313,514.97x = 62,758,845,532.51 - Step 5: Solve for x
x = 62,758,845,532.51/313,514.97 - Step 6: Final answer
x = 200,178.15
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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.