Finding the Fourth Proportional to 536,472.10, 804,708.15 and 270,129.70
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Solution
The fourth proportional to 536,472.10, 804,708.15 and 270,129.70 is: 405,194.55
Step by Step Solution
- Step 1: Write the proportion equation
536,472.10 : 804,708.15 = 270,129.70 : x - Step 2: Convert to fraction form
536,472.10/804,708.15 = 270,129.70/x - Step 3: Cross multiply
536,472.10x = 804,708.15 × 270,129.70 - Step 4: Simplify right side
536,472.10x = 217,375,571,147.06 - Step 5: Solve for x
x = 217,375,571,147.06/536,472.10 - Step 6: Final answer
x = 405,194.55
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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.