Finding the Fourth Proportional to 324,122.58, 447,311.78 and 180,885.02
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Solution
The fourth proportional to 324,122.58, 447,311.78 and 180,885.02 is: 249,633.95
Step by Step Solution
- Step 1: Write the proportion equation
324,122.58 : 447,311.78 = 180,885.02 : x - Step 2: Convert to fraction form
324,122.58/447,311.78 = 180,885.02/x - Step 3: Cross multiply
324,122.58x = 447,311.78 × 180,885.02 - Step 4: Simplify right side
324,122.58x = 80,912,000,271.54 - Step 5: Solve for x
x = 80,912,000,271.54/324,122.58 - Step 6: Final answer
x = 249,633.95
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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.