Finding the Fourth Proportional to 324,005.67, 447,129.11 and 180,771.75
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Solution
The fourth proportional to 324,005.67, 447,129.11 and 180,771.75 is: 249,465.73
Step by Step Solution
- Step 1: Write the proportion equation
324,005.67 : 447,129.11 = 180,771.75 : x - Step 2: Convert to fraction form
324,005.67/447,129.11 = 180,771.75/x - Step 3: Cross multiply
324,005.67x = 447,129.11 × 180,771.75 - Step 4: Simplify right side
324,005.67x = 80,828,312,142.57 - Step 5: Solve for x
x = 80,828,312,142.57/324,005.67 - Step 6: Final answer
x = 249,465.73
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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.