Finding the Fourth Proportional to 283,166.10, 424,749.15 and 272,279.70
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Solution
The fourth proportional to 283,166.10, 424,749.15 and 272,279.70 is: 408,419.55
Step by Step Solution
- Step 1: Write the proportion equation
283,166.10 : 424,749.15 = 272,279.70 : x - Step 2: Convert to fraction form
283,166.10/424,749.15 = 272,279.70/x - Step 3: Cross multiply
283,166.10x = 424,749.15 × 272,279.70 - Step 4: Simplify right side
283,166.10x = 115,650,571,137.26 - Step 5: Solve for x
x = 115,650,571,137.26/283,166.10 - Step 6: Final answer
x = 408,419.55
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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.