Finding the Fourth Proportional to 370,503.36, 511,320.26 and 225,365.87
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Solution
The fourth proportional to 370,503.36, 511,320.26 and 225,365.87 is: 311,020.49
Step by Step Solution
- Step 1: Write the proportion equation
370,503.36 : 511,320.26 = 225,365.87 : x - Step 2: Convert to fraction form
370,503.36/511,320.26 = 225,365.87/x - Step 3: Cross multiply
370,503.36x = 511,320.26 × 225,365.87 - Step 4: Simplify right side
370,503.36x = 115,234,135,243.53 - Step 5: Solve for x
x = 115,234,135,243.53/370,503.36 - Step 6: Final answer
x = 311,020.49
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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.