Finding the Fourth Proportional to 371,190.46, 512,252.76 and 201,424.72
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Solution
The fourth proportional to 371,190.46, 512,252.76 and 201,424.72 is: 277,971.50
Step by Step Solution
- Step 1: Write the proportion equation
371,190.46 : 512,252.76 = 201,424.72 : x - Step 2: Convert to fraction form
371,190.46/512,252.76 = 201,424.72/x - Step 3: Cross multiply
371,190.46x = 512,252.76 × 201,424.72 - Step 4: Simplify right side
371,190.46x = 103,180,368,752.23 - Step 5: Solve for x
x = 103,180,368,752.23/371,190.46 - Step 6: Final answer
x = 277,971.50
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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.