Finding the Fourth Proportional to 371,656.20, 512,866.26 and 201,890.04
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Solution
The fourth proportional to 371,656.20, 512,866.26 and 201,890.04 is: 278,597.77
Step by Step Solution
- Step 1: Write the proportion equation
371,656.20 : 512,866.26 = 201,890.04 : x - Step 2: Convert to fraction form
371,656.20/512,866.26 = 201,890.04/x - Step 3: Cross multiply
371,656.20x = 512,866.26 × 201,890.04 - Step 4: Simplify right side
371,656.20x = 103,542,589,746.05 - Step 5: Solve for x
x = 103,542,589,746.05/371,656.20 - Step 6: Final answer
x = 278,597.77
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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.