Finding the Fourth Proportional to 329,343.21, 454,487.70 and 186,100.17
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Solution
The fourth proportional to 329,343.21, 454,487.70 and 186,100.17 is: 256,814.88
Step by Step Solution
- Step 1: Write the proportion equation
329,343.21 : 454,487.70 = 186,100.17 : x - Step 2: Convert to fraction form
329,343.21/454,487.70 = 186,100.17/x - Step 3: Cross multiply
329,343.21x = 454,487.70 × 186,100.17 - Step 4: Simplify right side
329,343.21x = 84,580,238,232.91 - Step 5: Solve for x
x = 84,580,238,232.91/329,343.21 - Step 6: Final answer
x = 256,814.88
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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.