Finding the Fourth Proportional to 634,784.85, 951,564.91 and 213,831.09
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Solution
The fourth proportional to 634,784.85, 951,564.91 and 213,831.09 is: 320,540.36
Step by Step Solution
- Step 1: Write the proportion equation
634,784.85 : 951,564.91 = 213,831.09 : x - Step 2: Convert to fraction form
634,784.85/951,564.91 = 213,831.09/x - Step 3: Cross multiply
634,784.85x = 951,564.91 × 213,831.09 - Step 4: Simplify right side
634,784.85x = 203,474,161,911.05 - Step 5: Solve for x
x = 203,474,161,911.05/634,784.85 - Step 6: Final answer
x = 320,540.36
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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.