Finding the Fourth Proportional to 397,115.78, 595,672.51 and 160,455.70
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Solution
The fourth proportional to 397,115.78, 595,672.51 and 160,455.70 is: 240,683.08
Step by Step Solution
- Step 1: Write the proportion equation
397,115.78 : 595,672.51 = 160,455.70 : x - Step 2: Convert to fraction form
397,115.78/595,672.51 = 160,455.70/x - Step 3: Cross multiply
397,115.78x = 595,672.51 × 160,455.70 - Step 4: Simplify right side
397,115.78x = 95,579,049,562.81 - Step 5: Solve for x
x = 95,579,049,562.81/397,115.78 - Step 6: Final answer
x = 240,683.08
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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.