Finding the Fourth Proportional to 191,907.23, 287,860.57 and 51,665.99
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Solution
The fourth proportional to 191,907.23, 287,860.57 and 51,665.99 is: 77,498.90
Step by Step Solution
- Step 1: Write the proportion equation
191,907.23 : 287,860.57 = 51,665.99 : x - Step 2: Convert to fraction form
191,907.23/287,860.57 = 51,665.99/x - Step 3: Cross multiply
191,907.23x = 287,860.57 × 51,665.99 - Step 4: Simplify right side
191,907.23x = 14,872,599,762.55 - Step 5: Solve for x
x = 14,872,599,762.55/191,907.23 - Step 6: Final answer
x = 77,498.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.