Finding the Fourth Proportional to 371,283.16, 512,371.14 and 201,517.32
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Solution
The fourth proportional to 371,283.16, 512,371.14 and 201,517.32 is: 278,094.11
Step by Step Solution
- Step 1: Write the proportion equation
371,283.16 : 512,371.14 = 201,517.32 : x - Step 2: Convert to fraction form
371,283.16/512,371.14 = 201,517.32/x - Step 3: Cross multiply
371,283.16x = 512,371.14 × 201,517.32 - Step 4: Simplify right side
371,283.16x = 103,251,658,978.15 - Step 5: Solve for x
x = 103,251,658,978.15/371,283.16 - Step 6: Final answer
x = 278,094.11
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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.