Finding the Fourth Proportional to 224,551.20, 309,876.12 and 129,055.44
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Solution
The fourth proportional to 224,551.20, 309,876.12 and 129,055.44 is: 178,093.90
Step by Step Solution
- Step 1: Write the proportion equation
224,551.20 : 309,876.12 = 129,055.44 : x - Step 2: Convert to fraction form
224,551.20/309,876.12 = 129,055.44/x - Step 3: Cross multiply
224,551.20x = 309,876.12 × 129,055.44 - Step 4: Simplify right side
224,551.20x = 39,991,199,012.09 - Step 5: Solve for x
x = 39,991,199,012.09/224,551.20 - Step 6: Final answer
x = 178,093.90
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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.