Finding the Fourth Proportional to 329,572.53, 454,813.67 and 193,612.21
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Solution
The fourth proportional to 329,572.53, 454,813.67 and 193,612.21 is: 267,186.95
Step by Step Solution
- Step 1: Write the proportion equation
329,572.53 : 454,813.67 = 193,612.21 : x - Step 2: Convert to fraction form
329,572.53/454,813.67 = 193,612.21/x - Step 3: Cross multiply
329,572.53x = 454,813.67 × 193,612.21 - Step 4: Simplify right side
329,572.53x = 88,057,479,786.91 - Step 5: Solve for x
x = 88,057,479,786.91/329,572.53 - Step 6: Final answer
x = 267,186.95
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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.