Finding the Fourth Proportional to 230,072.94, 344,818.62 and 103,578.48
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Solution
The fourth proportional to 230,072.94, 344,818.62 and 103,578.48 is: 155,236.81
Step by Step Solution
- Step 1: Write the proportion equation
230,072.94 : 344,818.62 = 103,578.48 : x - Step 2: Convert to fraction form
230,072.94/344,818.62 = 103,578.48/x - Step 3: Cross multiply
230,072.94x = 344,818.62 × 103,578.48 - Step 4: Simplify right side
230,072.94x = 35,715,788,535.30 - Step 5: Solve for x
x = 35,715,788,535.30/230,072.94 - Step 6: Final answer
x = 155,236.81
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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.