Finding the Fourth Proportional to 283,517.70, 425,276.55 and 266,021.70
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Solution
The fourth proportional to 283,517.70, 425,276.55 and 266,021.70 is: 399,032.55
Step by Step Solution
- Step 1: Write the proportion equation
283,517.70 : 425,276.55 = 266,021.70 : x - Step 2: Convert to fraction form
283,517.70/425,276.55 = 266,021.70/x - Step 3: Cross multiply
283,517.70x = 425,276.55 × 266,021.70 - Step 4: Simplify right side
283,517.70x = 113,132,790,801.14 - Step 5: Solve for x
x = 113,132,790,801.14/283,517.70 - Step 6: Final answer
x = 399,032.55
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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.