Finding the Fourth Proportional to 371,330.29, 512,432.49 and 201,564.28
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Solution
The fourth proportional to 371,330.29, 512,432.49 and 201,564.28 is: 278,156.91
Step by Step Solution
- Step 1: Write the proportion equation
371,330.29 : 512,432.49 = 201,564.28 : x - Step 2: Convert to fraction form
371,330.29/512,432.49 = 201,564.28/x - Step 3: Cross multiply
371,330.29x = 512,432.49 × 201,564.28 - Step 4: Simplify right side
371,330.29x = 103,288,085,895.46 - Step 5: Solve for x
x = 103,288,085,895.46/371,330.29 - Step 6: Final answer
x = 278,156.91
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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.