Finding the Fourth Proportional to 371,318.08, 512,405.20 and 201,548.56
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Solution
The fourth proportional to 371,318.08, 512,405.20 and 201,548.56 is: 278,129.55
Step by Step Solution
- Step 1: Write the proportion equation
371,318.08 : 512,405.20 = 201,548.56 : x - Step 2: Convert to fraction form
371,318.08/512,405.20 = 201,548.56/x - Step 3: Cross multiply
371,318.08x = 512,405.20 × 201,548.56 - Step 4: Simplify right side
371,318.08x = 103,274,530,196.51 - Step 5: Solve for x
x = 103,274,530,196.51/371,318.08 - Step 6: Final answer
x = 278,129.55
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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.