Finding the Fourth Proportional to 329,341.68, 454,491.81 and 178,438.68
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Solution
The fourth proportional to 329,341.68, 454,491.81 and 178,438.68 is: 246,245.54
Step by Step Solution
- Step 1: Write the proportion equation
329,341.68 : 454,491.81 = 178,438.68 : x - Step 2: Convert to fraction form
329,341.68/454,491.81 = 178,438.68/x - Step 3: Cross multiply
329,341.68x = 454,491.81 × 178,438.68 - Step 4: Simplify right side
329,341.68x = 81,098,918,647.21 - Step 5: Solve for x
x = 81,098,918,647.21/329,341.68 - Step 6: Final answer
x = 246,245.54
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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.