Finding the Fourth Proportional to 201,730.90, 302,596.35 and 138,745.30
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Solution
The fourth proportional to 201,730.90, 302,596.35 and 138,745.30 is: 208,117.95
Step by Step Solution
- Step 1: Write the proportion equation
201,730.90 : 302,596.35 = 138,745.30 : x - Step 2: Convert to fraction form
201,730.90/302,596.35 = 138,745.30/x - Step 3: Cross multiply
201,730.90x = 302,596.35 × 138,745.30 - Step 4: Simplify right side
201,730.90x = 41,983,821,359.66 - Step 5: Solve for x
x = 41,983,821,359.66/201,730.90 - Step 6: Final answer
x = 208,117.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.