Finding the Fourth Proportional to 631,887.33, 947,831.00 and 211,163.20
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Solution
The fourth proportional to 631,887.33, 947,831.00 and 211,163.20 is: 316,744.81
Step by Step Solution
- Step 1: Write the proportion equation
631,887.33 : 947,831.00 = 211,163.20 : x - Step 2: Convert to fraction form
631,887.33/947,831.00 = 211,163.20/x - Step 3: Cross multiply
631,887.33x = 947,831.00 × 211,163.20 - Step 4: Simplify right side
631,887.33x = 200,147,028,925.36 - Step 5: Solve for x
x = 200,147,028,925.36/631,887.33 - Step 6: Final answer
x = 316,744.81
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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.