Finding the Fourth Proportional to 375,213.96, 517,790.12 and 205,448.09
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Solution
The fourth proportional to 375,213.96, 517,790.12 and 205,448.09 is: 283,515.54
Step by Step Solution
- Step 1: Write the proportion equation
375,213.96 : 517,790.12 = 205,448.09 : x - Step 2: Convert to fraction form
375,213.96/517,790.12 = 205,448.09/x - Step 3: Cross multiply
375,213.96x = 517,790.12 × 205,448.09 - Step 4: Simplify right side
375,213.96x = 106,378,987,558.68 - Step 5: Solve for x
x = 106,378,987,558.68/375,213.96 - Step 6: Final answer
x = 283,515.54
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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.