Finding the Fourth Proportional to 397,286.70, 595,930.05 and 255,569.10
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Solution
The fourth proportional to 397,286.70, 595,930.05 and 255,569.10 is: 383,353.65
Step by Step Solution
- Step 1: Write the proportion equation
397,286.70 : 595,930.05 = 255,569.10 : x - Step 2: Convert to fraction form
397,286.70/595,930.05 = 255,569.10/x - Step 3: Cross multiply
397,286.70x = 595,930.05 × 255,569.10 - Step 4: Simplify right side
397,286.70x = 152,301,306,541.46 - Step 5: Solve for x
x = 152,301,306,541.46/397,286.70 - Step 6: Final answer
x = 383,353.65
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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.