Finding the Fourth Proportional to 397,631.80, 596,447.70 and 173,099.80
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Solution
The fourth proportional to 397,631.80, 596,447.70 and 173,099.80 is: 259,649.70
Step by Step Solution
- Step 1: Write the proportion equation
397,631.80 : 596,447.70 = 173,099.80 : x - Step 2: Convert to fraction form
397,631.80/596,447.70 = 173,099.80/x - Step 3: Cross multiply
397,631.80x = 596,447.70 × 173,099.80 - Step 4: Simplify right side
397,631.80x = 103,244,977,580.46 - Step 5: Solve for x
x = 103,244,977,580.46/397,631.80 - Step 6: Final answer
x = 259,649.70
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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.