Finding the Fourth Proportional to 323,172.45, 445,977.99 and 187,232.67
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Solution
The fourth proportional to 323,172.45, 445,977.99 and 187,232.67 is: 258,381.09
Step by Step Solution
- Step 1: Write the proportion equation
323,172.45 : 445,977.99 = 187,232.67 : x - Step 2: Convert to fraction form
323,172.45/445,977.99 = 187,232.67/x - Step 3: Cross multiply
323,172.45x = 445,977.99 × 187,232.67 - Step 4: Simplify right side
323,172.45x = 83,501,649,828.93 - Step 5: Solve for x
x = 83,501,649,828.93/323,172.45 - Step 6: Final answer
x = 258,381.09
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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.