Finding the Fourth Proportional to 329,138.02, 454,207.86 and 178,235.02
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Solution
The fourth proportional to 329,138.02, 454,207.86 and 178,235.02 is: 245,962.92
Step by Step Solution
- Step 1: Write the proportion equation
329,138.02 : 454,207.86 = 178,235.02 : x - Step 2: Convert to fraction form
329,138.02/454,207.86 = 178,235.02/x - Step 3: Cross multiply
329,138.02x = 454,207.86 × 178,235.02 - Step 4: Simplify right side
329,138.02x = 80,955,747,011.26 - Step 5: Solve for x
x = 80,955,747,011.26/329,138.02 - Step 6: Final answer
x = 245,962.92
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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.