Finding the Fourth Proportional to 167,253.05, 230,800.79 and 99,272.99
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Solution
The fourth proportional to 167,253.05, 230,800.79 and 99,272.99 is: 136,991.73
Step by Step Solution
- Step 1: Write the proportion equation
167,253.05 : 230,800.79 = 99,272.99 : x - Step 2: Convert to fraction form
167,253.05/230,800.79 = 99,272.99/x - Step 3: Cross multiply
167,253.05x = 230,800.79 × 99,272.99 - Step 4: Simplify right side
167,253.05x = 22,912,285,342.85 - Step 5: Solve for x
x = 22,912,285,342.85/167,253.05 - Step 6: Final answer
x = 136,991.73
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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.