Finding the Fourth Proportional to 329,312.18, 454,452.99 and 178,409.18
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Solution
The fourth proportional to 329,312.18, 454,452.99 and 178,409.18 is: 246,205.85
Step by Step Solution
- Step 1: Write the proportion equation
329,312.18 : 454,452.99 = 178,409.18 : x - Step 2: Convert to fraction form
329,312.18/454,452.99 = 178,409.18/x - Step 3: Cross multiply
329,312.18x = 454,452.99 × 178,409.18 - Step 4: Simplify right side
329,312.18x = 81,078,585,294.45 - Step 5: Solve for x
x = 81,078,585,294.45/329,312.18 - Step 6: Final answer
x = 246,205.85
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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.