Finding the Fourth Proportional to 291,664.80, 437,497.20 and 271,981.80
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Solution
The fourth proportional to 291,664.80, 437,497.20 and 271,981.80 is: 407,972.70
Step by Step Solution
- Step 1: Write the proportion equation
291,664.80 : 437,497.20 = 271,981.80 : x - Step 2: Convert to fraction form
291,664.80/437,497.20 = 271,981.80/x - Step 3: Cross multiply
291,664.80x = 437,497.20 × 271,981.80 - Step 4: Simplify right side
291,664.80x = 118,991,275,950.96 - Step 5: Solve for x
x = 118,991,275,950.96/291,664.80 - Step 6: Final answer
x = 407,972.70
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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.