Finding the Fourth Proportional to 371,211.18, 512,271.76 and 201,445.30
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Solution
The fourth proportional to 371,211.18, 512,271.76 and 201,445.30 is: 277,994.70
Step by Step Solution
- Step 1: Write the proportion equation
371,211.18 : 512,271.76 = 201,445.30 : x - Step 2: Convert to fraction form
371,211.18/512,271.76 = 201,445.30/x - Step 3: Cross multiply
371,211.18x = 512,271.76 × 201,445.30 - Step 4: Simplify right side
371,211.18x = 103,194,739,480.08 - Step 5: Solve for x
x = 103,194,739,480.08/371,211.18 - Step 6: Final answer
x = 277,994.70
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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.