Finding the Fourth Proportional to 190,727.84, 263,175.18 and 114,229.01
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Solution
The fourth proportional to 190,727.84, 263,175.18 and 114,229.01 is: 157,618.52
Step by Step Solution
- Step 1: Write the proportion equation
190,727.84 : 263,175.18 = 114,229.01 : x - Step 2: Convert to fraction form
190,727.84/263,175.18 = 114,229.01/x - Step 3: Cross multiply
190,727.84x = 263,175.18 × 114,229.01 - Step 4: Simplify right side
190,727.84x = 30,062,238,952.10 - Step 5: Solve for x
x = 30,062,238,952.10/190,727.84 - Step 6: Final answer
x = 157,618.52
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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.