Finding the Fourth Proportional to 371,203.16, 512,257.37 and 201,437.28
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Solution
The fourth proportional to 371,203.16, 512,257.37 and 201,437.28 is: 277,981.82
Step by Step Solution
- Step 1: Write the proportion equation
371,203.16 : 512,257.37 = 201,437.28 : x - Step 2: Convert to fraction form
371,203.16/512,257.37 = 201,437.28/x - Step 3: Cross multiply
371,203.16x = 512,257.37 × 201,437.28 - Step 4: Simplify right side
371,203.16x = 103,187,730,265.57 - Step 5: Solve for x
x = 103,187,730,265.57/371,203.16 - Step 6: Final answer
x = 277,981.82
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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.