Finding the Fourth Proportional to 324,132.36, 447,325.11 and 180,920.40
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Solution
The fourth proportional to 324,132.36, 447,325.11 and 180,920.40 is: 249,682.68
Step by Step Solution
- Step 1: Write the proportion equation
324,132.36 : 447,325.11 = 180,920.40 : x - Step 2: Convert to fraction form
324,132.36/447,325.11 = 180,920.40/x - Step 3: Cross multiply
324,132.36x = 447,325.11 × 180,920.40 - Step 4: Simplify right side
324,132.36x = 80,930,237,831.24 - Step 5: Solve for x
x = 80,930,237,831.24/324,132.36 - Step 6: Final answer
x = 249,682.68
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1.5x scale
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.