Finding the Fourth Proportional to 329,678.62, 454,966.40 and 186,435.79
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Solution
The fourth proportional to 329,678.62, 454,966.40 and 186,435.79 is: 257,286.99
Step by Step Solution
- Step 1: Write the proportion equation
329,678.62 : 454,966.40 = 186,435.79 : x - Step 2: Convert to fraction form
329,678.62/454,966.40 = 186,435.79/x - Step 3: Cross multiply
329,678.62x = 454,966.40 × 186,435.79 - Step 4: Simplify right side
329,678.62x = 84,822,020,207.46 - Step 5: Solve for x
x = 84,822,020,207.46/329,678.62 - Step 6: Final answer
x = 257,286.99
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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.