Finding the Fourth Proportional to 229,340.09, 316,480.65 and 127,372.12
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Solution
The fourth proportional to 229,340.09, 316,480.65 and 127,372.12 is: 175,768.70
Step by Step Solution
- Step 1: Write the proportion equation
229,340.09 : 316,480.65 = 127,372.12 : x - Step 2: Convert to fraction form
229,340.09/316,480.65 = 127,372.12/x - Step 3: Cross multiply
229,340.09x = 316,480.65 × 127,372.12 - Step 4: Simplify right side
229,340.09x = 40,310,810,418.87 - Step 5: Solve for x
x = 40,310,810,418.87/229,340.09 - Step 6: Final answer
x = 175,768.70
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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.