Finding the Fourth Proportional to 291,814.44, 437,730.78 and 92,136.68
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Solution
The fourth proportional to 291,814.44, 437,730.78 and 92,136.68 is: 138,207.90
Step by Step Solution
- Step 1: Write the proportion equation
291,814.44 : 437,730.78 = 92,136.68 : x - Step 2: Convert to fraction form
291,814.44/437,730.78 = 92,136.68/x - Step 3: Cross multiply
291,814.44x = 437,730.78 × 92,136.68 - Step 4: Simplify right side
291,814.44x = 40,331,060,803.01 - Step 5: Solve for x
x = 40,331,060,803.01/291,814.44 - Step 6: Final answer
x = 138,207.90
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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.