Finding the Fourth Proportional to 224,136.78, 309,299.70 and 122,160.06
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Solution
The fourth proportional to 224,136.78, 309,299.70 and 122,160.06 is: 168,575.95
Step by Step Solution
- Step 1: Write the proportion equation
224,136.78 : 309,299.70 = 122,160.06 : x - Step 2: Convert to fraction form
224,136.78/309,299.70 = 122,160.06/x - Step 3: Cross multiply
224,136.78x = 309,299.70 × 122,160.06 - Step 4: Simplify right side
224,136.78x = 37,784,069,909.98 - Step 5: Solve for x
x = 37,784,069,909.98/224,136.78 - Step 6: Final answer
x = 168,575.95
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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.