Finding the Fourth Proportional to 224,552.20, 309,877.50 and 129,056.44
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Solution
The fourth proportional to 224,552.20, 309,877.50 and 129,056.44 is: 178,095.28
Step by Step Solution
- Step 1: Write the proportion equation
224,552.20 : 309,877.50 = 129,056.44 : x - Step 2: Convert to fraction form
224,552.20/309,877.50 = 129,056.44/x - Step 3: Cross multiply
224,552.20x = 309,877.50 × 129,056.44 - Step 4: Simplify right side
224,552.20x = 39,991,686,986.10 - Step 5: Solve for x
x = 39,991,686,986.10/224,552.20 - Step 6: Final answer
x = 178,095.28
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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.