Finding the Fourth Proportional to 371,186.79, 512,239.13 and 201,420.91
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Solution
The fourth proportional to 371,186.79, 512,239.13 and 201,420.91 is: 277,961.59
Step by Step Solution
- Step 1: Write the proportion equation
371,186.79 : 512,239.13 = 201,420.91 : x - Step 2: Convert to fraction form
371,186.79/512,239.13 = 201,420.91/x - Step 3: Cross multiply
371,186.79x = 512,239.13 × 201,420.91 - Step 4: Simplify right side
371,186.79x = 103,175,671,702.21 - Step 5: Solve for x
x = 103,175,671,702.21/371,186.79 - Step 6: Final answer
x = 277,961.59
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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.