Finding the Fourth Proportional to 353,134.36, 487,322.99 and 191,989.40
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Solution
The fourth proportional to 353,134.36, 487,322.99 and 191,989.40 is: 264,944.06
Step by Step Solution
- Step 1: Write the proportion equation
353,134.36 : 487,322.99 = 191,989.40 : x - Step 2: Convert to fraction form
353,134.36/487,322.99 = 191,989.40/x - Step 3: Cross multiply
353,134.36x = 487,322.99 × 191,989.40 - Step 4: Simplify right side
353,134.36x = 93,560,848,456.31 - Step 5: Solve for x
x = 93,560,848,456.31/353,134.36 - Step 6: Final answer
x = 264,944.06
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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.