Finding the Fourth Proportional to 455,792.87, 681,954.62 and 275,213.63
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Solution
The fourth proportional to 455,792.87, 681,954.62 and 275,213.63 is: 411,773.01
Step by Step Solution
- Step 1: Write the proportion equation
455,792.87 : 681,954.62 = 275,213.63 : x - Step 2: Convert to fraction form
455,792.87/681,954.62 = 275,213.63/x - Step 3: Cross multiply
455,792.87x = 681,954.62 × 275,213.63 - Step 4: Simplify right side
455,792.87x = 187,683,201,679.63 - Step 5: Solve for x
x = 187,683,201,679.63/455,792.87 - Step 6: Final answer
x = 411,773.01
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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.