Finding the Fourth Proportional to 352,994.56, 487,135.68 and 191,849.99
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Solution
The fourth proportional to 352,994.56, 487,135.68 and 191,849.99 is: 264,754.72
Step by Step Solution
- Step 1: Write the proportion equation
352,994.56 : 487,135.68 = 191,849.99 : x - Step 2: Convert to fraction form
352,994.56/487,135.68 = 191,849.99/x - Step 3: Cross multiply
352,994.56x = 487,135.68 × 191,849.99 - Step 4: Simplify right side
352,994.56x = 93,456,975,336.64 - Step 5: Solve for x
x = 93,456,975,336.64/352,994.56 - Step 6: Final answer
x = 264,754.72
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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.