Finding the Fourth Proportional to 338,852.88, 467,631.76 and 202,860.62
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Solution
The fourth proportional to 338,852.88, 467,631.76 and 202,860.62 is: 279,956.51
Step by Step Solution
- Step 1: Write the proportion equation
338,852.88 : 467,631.76 = 202,860.62 : x - Step 2: Convert to fraction form
338,852.88/467,631.76 = 202,860.62/x - Step 3: Cross multiply
338,852.88x = 467,631.76 × 202,860.62 - Step 4: Simplify right side
338,852.88x = 94,864,068,765.29 - Step 5: Solve for x
x = 94,864,068,765.29/338,852.88 - Step 6: Final answer
x = 279,956.51
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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.