Finding the Fourth Proportional to 303,117.42, 418,284.84 and 188,393.12
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Solution
The fourth proportional to 303,117.42, 418,284.84 and 188,393.12 is: 259,971.82
Step by Step Solution
- Step 1: Write the proportion equation
303,117.42 : 418,284.84 = 188,393.12 : x - Step 2: Convert to fraction form
303,117.42/418,284.84 = 188,393.12/x - Step 3: Cross multiply
303,117.42x = 418,284.84 × 188,393.12 - Step 4: Simplify right side
303,117.42x = 78,801,986,056.30 - Step 5: Solve for x
x = 78,801,986,056.30/303,117.42 - Step 6: Final answer
x = 259,971.82
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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.