Finding the Fourth Proportional to 371,302.62, 512,398.08 and 201,536.79
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Solution
The fourth proportional to 371,302.62, 512,398.08 and 201,536.79 is: 278,121.02
Step by Step Solution
- Step 1: Write the proportion equation
371,302.62 : 512,398.08 = 201,536.79 : x - Step 2: Convert to fraction form
371,302.62/512,398.08 = 201,536.79/x - Step 3: Cross multiply
371,302.62x = 512,398.08 × 201,536.79 - Step 4: Simplify right side
371,302.62x = 103,267,064,245.36 - Step 5: Solve for x
x = 103,267,064,245.36/371,302.62 - Step 6: Final answer
x = 278,121.02
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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.