Finding the Fourth Proportional to 216,482.24, 324,585.78 and 189,881.64
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Solution
The fourth proportional to 216,482.24, 324,585.78 and 189,881.64 is: 284,701.79
Step by Step Solution
- Step 1: Write the proportion equation
216,482.24 : 324,585.78 = 189,881.64 : x - Step 2: Convert to fraction form
216,482.24/324,585.78 = 189,881.64/x - Step 3: Cross multiply
216,482.24x = 324,585.78 × 189,881.64 - Step 4: Simplify right side
216,482.24x = 61,632,880,227.08 - Step 5: Solve for x
x = 61,632,880,227.08/216,482.24 - Step 6: Final answer
x = 284,701.79
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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.