Finding the Fourth Proportional to 353,257.29, 487,490.48 and 192,108.91
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Solution
The fourth proportional to 353,257.29, 487,490.48 and 192,108.91 is: 265,107.80
Step by Step Solution
- Step 1: Write the proportion equation
353,257.29 : 487,490.48 = 192,108.91 : x - Step 2: Convert to fraction form
353,257.29/487,490.48 = 192,108.91/x - Step 3: Cross multiply
353,257.29x = 487,490.48 × 192,108.91 - Step 4: Simplify right side
353,257.29x = 93,651,262,568.91 - Step 5: Solve for x
x = 93,651,262,568.91/353,257.29 - Step 6: Final answer
x = 265,107.80
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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.