Finding the Fourth Proportional to 163,753.76, 225,451.99 and 127,410.68
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Solution
The fourth proportional to 163,753.76, 225,451.99 and 127,410.68 is: 175,415.77
Step by Step Solution
- Step 1: Write the proportion equation
163,753.76 : 225,451.99 = 127,410.68 : x - Step 2: Convert to fraction form
163,753.76/225,451.99 = 127,410.68/x - Step 3: Cross multiply
163,753.76x = 225,451.99 × 127,410.68 - Step 4: Simplify right side
163,753.76x = 28,724,992,076.15 - Step 5: Solve for x
x = 28,724,992,076.15/163,753.76 - Step 6: Final answer
x = 175,415.77
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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.