Finding the Fourth Proportional to 218,211.80, 327,317.70 and 213,027.80
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Solution
The fourth proportional to 218,211.80, 327,317.70 and 213,027.80 is: 319,541.70
Step by Step Solution
- Step 1: Write the proportion equation
218,211.80 : 327,317.70 = 213,027.80 : x - Step 2: Convert to fraction form
218,211.80/327,317.70 = 213,027.80/x - Step 3: Cross multiply
218,211.80x = 327,317.70 × 213,027.80 - Step 4: Simplify right side
218,211.80x = 69,727,769,532.06 - Step 5: Solve for x
x = 69,727,769,532.06/218,211.80 - Step 6: Final answer
x = 319,541.70
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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.