Finding the Fourth Proportional to 371,276.88, 512,362.60 and 201,511.02
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Solution
The fourth proportional to 371,276.88, 512,362.60 and 201,511.02 is: 278,085.48
Step by Step Solution
- Step 1: Write the proportion equation
371,276.88 : 512,362.60 = 201,511.02 : x - Step 2: Convert to fraction form
371,276.88/512,362.60 = 201,511.02/x - Step 3: Cross multiply
371,276.88x = 512,362.60 × 201,511.02 - Step 4: Simplify right side
371,276.88x = 103,246,710,135.85 - Step 5: Solve for x
x = 103,246,710,135.85/371,276.88 - Step 6: Final answer
x = 278,085.48
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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.