Finding the Fourth Proportional to 224,632.44, 309,992.58 and 129,157.80
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Solution
The fourth proportional to 224,632.44, 309,992.58 and 129,157.80 is: 178,237.66
Step by Step Solution
- Step 1: Write the proportion equation
224,632.44 : 309,992.58 = 129,157.80 : x - Step 2: Convert to fraction form
224,632.44/309,992.58 = 129,157.80/x - Step 3: Cross multiply
224,632.44x = 309,992.58 × 129,157.80 - Step 4: Simplify right side
224,632.44x = 40,037,959,649.12 - Step 5: Solve for x
x = 40,037,959,649.12/224,632.44 - Step 6: Final answer
x = 178,237.66
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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.