Finding the Fourth Proportional to 329,306.62, 454,440.28 and 178,403.26
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Solution
The fourth proportional to 329,306.62, 454,440.28 and 178,403.26 is: 246,194.95
Step by Step Solution
- Step 1: Write the proportion equation
329,306.62 : 454,440.28 = 178,403.26 : x - Step 2: Convert to fraction form
329,306.62/454,440.28 = 178,403.26/x - Step 3: Cross multiply
329,306.62x = 454,440.28 × 178,403.26 - Step 4: Simplify right side
329,306.62x = 81,073,624,263.10 - Step 5: Solve for x
x = 81,073,624,263.10/329,306.62 - Step 6: Final answer
x = 246,194.95
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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.