Finding the Fourth Proportional to 351,676.48, 485,314.05 and 190,531.53
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Solution
The fourth proportional to 351,676.48, 485,314.05 and 190,531.53 is: 262,933.79
Step by Step Solution
- Step 1: Write the proportion equation
351,676.48 : 485,314.05 = 190,531.53 : x - Step 2: Convert to fraction form
351,676.48/485,314.05 = 190,531.53/x - Step 3: Cross multiply
351,676.48x = 485,314.05 × 190,531.53 - Step 4: Simplify right side
351,676.48x = 92,467,628,477.00 - Step 5: Solve for x
x = 92,467,628,477.00/351,676.48 - Step 6: Final answer
x = 262,933.79
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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.