Finding the Fourth Proportional to 351,705.09, 485,351.37 and 190,560.09
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Solution
The fourth proportional to 351,705.09, 485,351.37 and 190,560.09 is: 262,972.03
Step by Step Solution
- Step 1: Write the proportion equation
351,705.09 : 485,351.37 = 190,560.09 : x - Step 2: Convert to fraction form
351,705.09/485,351.37 = 190,560.09/x - Step 3: Cross multiply
351,705.09x = 485,351.37 × 190,560.09 - Step 4: Simplify right side
351,705.09x = 92,488,600,748.82 - Step 5: Solve for x
x = 92,488,600,748.82/351,705.09 - Step 6: Final answer
x = 262,972.03
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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.