Finding the Fourth Proportional to 371,459.24, 512,599.38 and 201,689.48
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Solution
The fourth proportional to 371,459.24, 512,599.38 and 201,689.48 is: 278,323.68
Step by Step Solution
- Step 1: Write the proportion equation
371,459.24 : 512,599.38 = 201,689.48 : x - Step 2: Convert to fraction form
371,459.24/512,599.38 = 201,689.48/x - Step 3: Cross multiply
371,459.24x = 512,599.38 × 201,689.48 - Step 4: Simplify right side
371,459.24x = 103,385,902,400.52 - Step 5: Solve for x
x = 103,385,902,400.52/371,459.24 - Step 6: Final answer
x = 278,323.68
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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.