Finding the Fourth Proportional to 224,106.50, 309,267.02 and 122,131.99
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Solution
The fourth proportional to 224,106.50, 309,267.02 and 122,131.99 is: 168,542.17
Step by Step Solution
- Step 1: Write the proportion equation
224,106.50 : 309,267.02 = 122,131.99 : x - Step 2: Convert to fraction form
224,106.50/309,267.02 = 122,131.99/x - Step 3: Cross multiply
224,106.50x = 309,267.02 × 122,131.99 - Step 4: Simplify right side
224,106.50x = 37,771,396,126.13 - Step 5: Solve for x
x = 37,771,396,126.13/224,106.50 - Step 6: Final answer
x = 168,542.17
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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.