Finding the Fourth Proportional to 270,687.90, 373,537.50 and 149,821.98
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Solution
The fourth proportional to 270,687.90, 373,537.50 and 149,821.98 is: 206,747.80
Step by Step Solution
- Step 1: Write the proportion equation
270,687.90 : 373,537.50 = 149,821.98 : x - Step 2: Convert to fraction form
270,687.90/373,537.50 = 149,821.98/x - Step 3: Cross multiply
270,687.90x = 373,537.50 × 149,821.98 - Step 4: Simplify right side
270,687.90x = 55,964,127,854.25 - Step 5: Solve for x
x = 55,964,127,854.25/270,687.90 - Step 6: Final answer
x = 206,747.80
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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.