Finding the Fourth Proportional to 224,136.66, 309,299.61 and 122,159.99
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Solution
The fourth proportional to 224,136.66, 309,299.61 and 122,159.99 is: 168,575.89
Step by Step Solution
- Step 1: Write the proportion equation
224,136.66 : 309,299.61 = 122,159.99 : x - Step 2: Convert to fraction form
224,136.66/309,299.61 = 122,159.99/x - Step 3: Cross multiply
224,136.66x = 309,299.61 × 122,159.99 - Step 4: Simplify right side
224,136.66x = 37,784,037,264.60 - Step 5: Solve for x
x = 37,784,037,264.60/224,136.66 - Step 6: Final answer
x = 168,575.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.