Finding the Fourth Proportional to 371,296.64, 512,389.92 and 201,530.84
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Solution
The fourth proportional to 371,296.64, 512,389.92 and 201,530.84 is: 278,112.86
Step by Step Solution
- Step 1: Write the proportion equation
371,296.64 : 512,389.92 = 201,530.84 : x - Step 2: Convert to fraction form
371,296.64/512,389.92 = 201,530.84/x - Step 3: Cross multiply
371,296.64x = 512,389.92 × 201,530.84 - Step 4: Simplify right side
371,296.64x = 103,262,370,985.13 - Step 5: Solve for x
x = 103,262,370,985.13/371,296.64 - Step 6: Final answer
x = 278,112.86
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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.