Finding the Fourth Proportional to 329,423.80, 494,135.70 and 306,095.80
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Solution
The fourth proportional to 329,423.80, 494,135.70 and 306,095.80 is: 459,143.70
Step by Step Solution
- Step 1: Write the proportion equation
329,423.80 : 494,135.70 = 306,095.80 : x - Step 2: Convert to fraction form
329,423.80/494,135.70 = 306,095.80/x - Step 3: Cross multiply
329,423.80x = 494,135.70 × 306,095.80 - Step 4: Simplify right side
329,423.80x = 151,252,862,400.06 - Step 5: Solve for x
x = 151,252,862,400.06/329,423.80 - Step 6: Final answer
x = 459,143.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.