Finding the Fourth Proportional to 1,372,138.98, 2,058,021.63 and 361,176.28
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Solution
The fourth proportional to 1,372,138.98, 2,058,021.63 and 361,176.28 is: 541,715.23
Step by Step Solution
- Step 1: Write the proportion equation
1,372,138.98 : 2,058,021.63 = 361,176.28 : x - Step 2: Convert to fraction form
1,372,138.98/2,058,021.63 = 361,176.28/x - Step 3: Cross multiply
1,372,138.98x = 2,058,021.63 × 361,176.28 - Step 4: Simplify right side
1,372,138.98x = 743,308,586,192.83 - Step 5: Solve for x
x = 743,308,586,192.83/1,372,138.98 - Step 6: Final answer
x = 541,715.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.