Finding the Fourth Proportional to 265,220.10, 397,830.15 and 236,189.70
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Solution
The fourth proportional to 265,220.10, 397,830.15 and 236,189.70 is: 354,284.55
Step by Step Solution
- Step 1: Write the proportion equation
265,220.10 : 397,830.15 = 236,189.70 : x - Step 2: Convert to fraction form
265,220.10/397,830.15 = 236,189.70/x - Step 3: Cross multiply
265,220.10x = 397,830.15 × 236,189.70 - Step 4: Simplify right side
265,220.10x = 93,963,383,779.46 - Step 5: Solve for x
x = 93,963,383,779.46/265,220.10 - Step 6: Final answer
x = 354,284.55
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Similar ratio
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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.