Finding the Fourth Proportional to 190,452.08, 262,796.28 and 105,569.12
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Solution
The fourth proportional to 190,452.08, 262,796.28 and 105,569.12 is: 145,670.09
Step by Step Solution
- Step 1: Write the proportion equation
190,452.08 : 262,796.28 = 105,569.12 : x - Step 2: Convert to fraction form
190,452.08/262,796.28 = 105,569.12/x - Step 3: Cross multiply
190,452.08x = 262,796.28 × 105,569.12 - Step 4: Simplify right side
190,452.08x = 27,743,172,018.87 - Step 5: Solve for x
x = 27,743,172,018.87/190,452.08 - Step 6: Final answer
x = 145,670.09
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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.