Finding the Fourth Proportional to 295,110.36, 406,766.70 and 209,098.20
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Solution
The fourth proportional to 295,110.36, 406,766.70 and 209,098.20 is: 288,211.45
Step by Step Solution
- Step 1: Write the proportion equation
295,110.36 : 406,766.70 = 209,098.20 : x - Step 2: Convert to fraction form
295,110.36/406,766.70 = 209,098.20/x - Step 3: Cross multiply
295,110.36x = 406,766.70 × 209,098.20 - Step 4: Simplify right side
295,110.36x = 85,054,184,789.94 - Step 5: Solve for x
x = 85,054,184,789.94/295,110.36 - Step 6: Final answer
x = 288,211.45
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1.5x scale
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.