Finding the Fourth Proportional to 121,444.44, 182,078.58 and 81,903.48
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Solution
The fourth proportional to 121,444.44, 182,078.58 and 81,903.48 is: 122,795.82
Step by Step Solution
- Step 1: Write the proportion equation
121,444.44 : 182,078.58 = 81,903.48 : x - Step 2: Convert to fraction form
121,444.44/182,078.58 = 81,903.48/x - Step 3: Cross multiply
121,444.44x = 182,078.58 × 81,903.48 - Step 4: Simplify right side
121,444.44x = 14,912,869,335.46 - Step 5: Solve for x
x = 14,912,869,335.46/121,444.44 - Step 6: Final answer
x = 122,795.82
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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.