Finding the Fourth Proportional to 190,911.74, 263,442.78 and 110,344.48
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Solution
The fourth proportional to 190,911.74, 263,442.78 and 110,344.48 is: 152,266.47
Step by Step Solution
- Step 1: Write the proportion equation
190,911.74 : 263,442.78 = 110,344.48 : x - Step 2: Convert to fraction form
190,911.74/263,442.78 = 110,344.48/x - Step 3: Cross multiply
190,911.74x = 263,442.78 × 110,344.48 - Step 4: Simplify right side
190,911.74x = 29,069,455,910.25 - Step 5: Solve for x
x = 29,069,455,910.25/190,911.74 - Step 6: Final answer
x = 152,266.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.