Finding the Fourth Proportional to 352,947.68, 487,066.20 and 191,799.68
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Solution
The fourth proportional to 352,947.68, 487,066.20 and 191,799.68 is: 264,682.69
Step by Step Solution
- Step 1: Write the proportion equation
352,947.68 : 487,066.20 = 191,799.68 : x - Step 2: Convert to fraction form
352,947.68/487,066.20 = 191,799.68/x - Step 3: Cross multiply
352,947.68x = 487,066.20 × 191,799.68 - Step 4: Simplify right side
352,947.68x = 93,419,141,298.82 - Step 5: Solve for x
x = 93,419,141,298.82/352,947.68 - Step 6: Final answer
x = 264,682.69
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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.