Finding the Fourth Proportional to 120,228.66, 180,405.84 and 49,204.02
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Solution
The fourth proportional to 120,228.66, 180,405.84 and 49,204.02 is: 73,831.75
Step by Step Solution
- Step 1: Write the proportion equation
120,228.66 : 180,405.84 = 49,204.02 : x - Step 2: Convert to fraction form
120,228.66/180,405.84 = 49,204.02/x - Step 3: Cross multiply
120,228.66x = 180,405.84 × 49,204.02 - Step 4: Simplify right side
120,228.66x = 8,876,692,559.48 - Step 5: Solve for x
x = 8,876,692,559.48/120,228.66 - Step 6: Final answer
x = 73,831.75
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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.