Finding the Fourth Proportional to 323,038.09, 445,672.99 and 322,539.87
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Solution
The fourth proportional to 323,038.09, 445,672.99 and 322,539.87 is: 444,985.63
Step by Step Solution
- Step 1: Write the proportion equation
323,038.09 : 445,672.99 = 322,539.87 : x - Step 2: Convert to fraction form
323,038.09/445,672.99 = 322,539.87/x - Step 3: Cross multiply
323,038.09x = 445,672.99 × 322,539.87 - Step 4: Simplify right side
323,038.09x = 143,747,307,450.76 - Step 5: Solve for x
x = 143,747,307,450.76/323,038.09 - Step 6: Final answer
x = 444,985.63
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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.