Finding the Fourth Proportional to 372,894.36, 514,555.86 and 209,524.92
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Solution
The fourth proportional to 372,894.36, 514,555.86 and 209,524.92 is: 289,122.84
Step by Step Solution
- Step 1: Write the proportion equation
372,894.36 : 514,555.86 = 209,524.92 : x - Step 2: Convert to fraction form
372,894.36/514,555.86 = 209,524.92/x - Step 3: Cross multiply
372,894.36x = 514,555.86 × 209,524.92 - Step 4: Simplify right side
372,894.36x = 107,812,275,402.03 - Step 5: Solve for x
x = 107,812,275,402.03/372,894.36 - Step 6: Final answer
x = 289,122.84
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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.