Finding the Fourth Proportional to 470,542.97, 649,353.41 and 255,683.03
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Solution
The fourth proportional to 470,542.97, 649,353.41 and 255,683.03 is: 352,844.82
Step by Step Solution
- Step 1: Write the proportion equation
470,542.97 : 649,353.41 = 255,683.03 : x - Step 2: Convert to fraction form
470,542.97/649,353.41 = 255,683.03/x - Step 3: Cross multiply
470,542.97x = 649,353.41 × 255,683.03 - Step 4: Simplify right side
470,542.97x = 166,028,647,409.63 - Step 5: Solve for x
x = 166,028,647,409.63/470,542.97 - Step 6: Final answer
x = 352,844.82
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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.