Finding the Fourth Proportional to 296,736.60, 409,477.14 and 189,295.10
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Solution
The fourth proportional to 296,736.60, 409,477.14 and 189,295.10 is: 261,214.88
Step by Step Solution
- Step 1: Write the proportion equation
296,736.60 : 409,477.14 = 189,295.10 : x - Step 2: Convert to fraction form
296,736.60/409,477.14 = 189,295.10/x - Step 3: Cross multiply
296,736.60x = 409,477.14 × 189,295.10 - Step 4: Simplify right side
296,736.60x = 77,512,016,005.24 - Step 5: Solve for x
x = 77,512,016,005.24/296,736.60 - Step 6: Final answer
x = 261,214.88
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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.