Finding the Fourth Proportional to 371,296.98, 512,399.12 and 201,530.70
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Solution
The fourth proportional to 371,296.98, 512,399.12 and 201,530.70 is: 278,117.40
Step by Step Solution
- Step 1: Write the proportion equation
371,296.98 : 512,399.12 = 201,530.70 : x - Step 2: Convert to fraction form
371,296.98/512,399.12 = 201,530.70/x - Step 3: Cross multiply
371,296.98x = 512,399.12 × 201,530.70 - Step 4: Simplify right side
371,296.98x = 103,264,152,325.33 - Step 5: Solve for x
x = 103,264,152,325.33/371,296.98 - Step 6: Final answer
x = 278,117.40
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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.