Finding the Fourth Proportional to 206,758.97, 285,334.26 and 116,130.91
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Solution
The fourth proportional to 206,758.97, 285,334.26 and 116,130.91 is: 160,264.52
Step by Step Solution
- Step 1: Write the proportion equation
206,758.97 : 285,334.26 = 116,130.91 : x - Step 2: Convert to fraction form
206,758.97/285,334.26 = 116,130.91/x - Step 3: Cross multiply
206,758.97x = 285,334.26 × 116,130.91 - Step 4: Simplify right side
206,758.97x = 33,136,127,267.98 - Step 5: Solve for x
x = 33,136,127,267.98/206,758.97 - Step 6: Final answer
x = 160,264.52
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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.