Finding the Fourth Proportional to 313,593.60, 470,229.12 and 103,207.68
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Solution
The fourth proportional to 313,593.60, 470,229.12 and 103,207.68 is: 154,758.44
Step by Step Solution
- Step 1: Write the proportion equation
313,593.60 : 470,229.12 = 103,207.68 : x - Step 2: Convert to fraction form
313,593.60/470,229.12 = 103,207.68/x - Step 3: Cross multiply
313,593.60x = 470,229.12 × 103,207.68 - Step 4: Simplify right side
313,593.60x = 48,531,256,543.64 - Step 5: Solve for x
x = 48,531,256,543.64/313,593.60 - Step 6: Final answer
x = 154,758.44
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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.