Finding the Fourth Proportional to 341,859.56, 471,459.74 and 284,688.19
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Solution
The fourth proportional to 341,859.56, 471,459.74 and 284,688.19 is: 392,614.50
Step by Step Solution
- Step 1: Write the proportion equation
341,859.56 : 471,459.74 = 284,688.19 : x - Step 2: Convert to fraction form
341,859.56/471,459.74 = 284,688.19/x - Step 3: Cross multiply
341,859.56x = 471,459.74 × 284,688.19 - Step 4: Simplify right side
341,859.56x = 134,219,022,131.71 - Step 5: Solve for x
x = 134,219,022,131.71/341,859.56 - Step 6: Final answer
x = 392,614.50
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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.