Finding the Fourth Proportional to 208,869.98, 313,024.34 and 113,957.94
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Solution
The fourth proportional to 208,869.98, 313,024.34 and 113,957.94 is: 170,783.80
Step by Step Solution
- Step 1: Write the proportion equation
208,869.98 : 313,024.34 = 113,957.94 : x - Step 2: Convert to fraction form
208,869.98/313,024.34 = 113,957.94/x - Step 3: Cross multiply
208,869.98x = 313,024.34 × 113,957.94 - Step 4: Simplify right side
208,869.98x = 35,671,608,956.26 - Step 5: Solve for x
x = 35,671,608,956.26/208,869.98 - Step 6: Final answer
x = 170,783.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.