Finding the Fourth Proportional to 163,305.24, 225,355.44 and 91,688.28
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Solution
The fourth proportional to 163,305.24, 225,355.44 and 91,688.28 is: 126,526.57
Step by Step Solution
- Step 1: Write the proportion equation
163,305.24 : 225,355.44 = 91,688.28 : x - Step 2: Convert to fraction form
163,305.24/225,355.44 = 91,688.28/x - Step 3: Cross multiply
163,305.24x = 225,355.44 × 91,688.28 - Step 4: Simplify right side
163,305.24x = 20,662,452,682.24 - Step 5: Solve for x
x = 20,662,452,682.24/163,305.24 - Step 6: Final answer
x = 126,526.57
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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.