Finding the Fourth Proportional to 341,251.80, 511,877.70 and 288,107.70
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Solution
The fourth proportional to 341,251.80, 511,877.70 and 288,107.70 is: 432,161.55
Step by Step Solution
- Step 1: Write the proportion equation
341,251.80 : 511,877.70 = 288,107.70 : x - Step 2: Convert to fraction form
341,251.80/511,877.70 = 288,107.70/x - Step 3: Cross multiply
341,251.80x = 511,877.70 × 288,107.70 - Step 4: Simplify right side
341,251.80x = 147,475,906,828.29 - Step 5: Solve for x
x = 147,475,906,828.29/341,251.80 - Step 6: Final answer
x = 432,161.55
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1.5x scale
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.