Finding the Fourth Proportional to 353,524.05, 487,873.36 and 192,389.30
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Solution
The fourth proportional to 353,524.05, 487,873.36 and 192,389.30 is: 265,502.78
Step by Step Solution
- Step 1: Write the proportion equation
353,524.05 : 487,873.36 = 192,389.30 : x - Step 2: Convert to fraction form
353,524.05/487,873.36 = 192,389.30/x - Step 3: Cross multiply
353,524.05x = 487,873.36 × 192,389.30 - Step 4: Simplify right side
353,524.05x = 93,861,616,593.98 - Step 5: Solve for x
x = 93,861,616,593.98/353,524.05 - Step 6: Final answer
x = 265,502.78
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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.