Finding the Fourth Proportional to 371,132.10, 512,164.49 and 201,366.09
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Solution
The fourth proportional to 371,132.10, 512,164.49 and 201,366.09 is: 277,886.39
Step by Step Solution
- Step 1: Write the proportion equation
371,132.10 : 512,164.49 = 201,366.09 : x - Step 2: Convert to fraction form
371,132.10/512,164.49 = 201,366.09/x - Step 3: Cross multiply
371,132.10x = 512,164.49 × 201,366.09 - Step 4: Simplify right side
371,132.10x = 103,132,559,781.31 - Step 5: Solve for x
x = 103,132,559,781.31/371,132.10 - Step 6: Final answer
x = 277,886.39
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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.