Finding the Fourth Proportional to 224,103.99, 309,257.82 and 122,132.08
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Solution
The fourth proportional to 224,103.99, 309,257.82 and 122,132.08 is: 168,539.17
Step by Step Solution
- Step 1: Write the proportion equation
224,103.99 : 309,257.82 = 122,132.08 : x - Step 2: Convert to fraction form
224,103.99/309,257.82 = 122,132.08/x - Step 3: Cross multiply
224,103.99x = 309,257.82 × 122,132.08 - Step 4: Simplify right side
224,103.99x = 37,770,300,039.72 - Step 5: Solve for x
x = 37,770,300,039.72/224,103.99 - Step 6: Final answer
x = 168,539.17
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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.