Finding the Fourth Proportional to 292,529.87, 438,744.62 and 92,805.74
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Solution
The fourth proportional to 292,529.87, 438,744.62 and 92,805.74 is: 139,192.68
Step by Step Solution
- Step 1: Write the proportion equation
292,529.87 : 438,744.62 = 92,805.74 : x - Step 2: Convert to fraction form
292,529.87/438,744.62 = 92,805.74/x - Step 3: Cross multiply
292,529.87x = 438,744.62 × 92,805.74 - Step 4: Simplify right side
292,529.87x = 40,718,017,168.41 - Step 5: Solve for x
x = 40,718,017,168.41/292,529.87 - Step 6: Final answer
x = 139,192.68
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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.