Finding the Fourth Proportional to 371,272.20, 512,352.54 and 201,506.28
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Solution
The fourth proportional to 371,272.20, 512,352.54 and 201,506.28 is: 278,076.99
Step by Step Solution
- Step 1: Write the proportion equation
371,272.20 : 512,352.54 = 201,506.28 : x - Step 2: Convert to fraction form
371,272.20/512,352.54 = 201,506.28/x - Step 3: Cross multiply
371,272.20x = 512,352.54 × 201,506.28 - Step 4: Simplify right side
371,272.20x = 103,242,254,383.95 - Step 5: Solve for x
x = 103,242,254,383.95/371,272.20 - Step 6: Final answer
x = 278,076.99
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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.