Finding the Fourth Proportional to 379,212.41, 568,852.64 and 98,732.09
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Solution
The fourth proportional to 379,212.41, 568,852.64 and 98,732.09 is: 148,106.99
Step by Step Solution
- Step 1: Write the proportion equation
379,212.41 : 568,852.64 = 98,732.09 : x - Step 2: Convert to fraction form
379,212.41/568,852.64 = 98,732.09/x - Step 3: Cross multiply
379,212.41x = 568,852.64 × 98,732.09 - Step 4: Simplify right side
379,212.41x = 56,164,009,555.56 - Step 5: Solve for x
x = 56,164,009,555.56/379,212.41 - Step 6: Final answer
x = 148,106.99
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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.