Finding the Fourth Proportional to 353,497.10, 487,821.89 and 192,349.37
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Solution
The fourth proportional to 353,497.10, 487,821.89 and 192,349.37 is: 265,439.89
Step by Step Solution
- Step 1: Write the proportion equation
353,497.10 : 487,821.89 = 192,349.37 : x - Step 2: Convert to fraction form
353,497.10/487,821.89 = 192,349.37/x - Step 3: Cross multiply
353,497.10x = 487,821.89 × 192,349.37 - Step 4: Simplify right side
353,497.10x = 93,832,231,513.28 - Step 5: Solve for x
x = 93,832,231,513.28/353,497.10 - Step 6: Final answer
x = 265,439.89
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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.