Finding the Fourth Proportional to 227,078.84, 313,393.24 and 125,114.62
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Solution
The fourth proportional to 227,078.84, 313,393.24 and 125,114.62 is: 172,671.64
Step by Step Solution
- Step 1: Write the proportion equation
227,078.84 : 313,393.24 = 125,114.62 : x - Step 2: Convert to fraction form
227,078.84/313,393.24 = 125,114.62/x - Step 3: Cross multiply
227,078.84x = 313,393.24 × 125,114.62 - Step 4: Simplify right side
227,078.84x = 39,210,076,133.17 - Step 5: Solve for x
x = 39,210,076,133.17/227,078.84 - Step 6: Final answer
x = 172,671.64
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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.