Finding the Fourth Proportional to 229,427.21, 316,620.15 and 127,452.80
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Solution
The fourth proportional to 229,427.21, 316,620.15 and 127,452.80 is: 175,890.75
Step by Step Solution
- Step 1: Write the proportion equation
229,427.21 : 316,620.15 = 127,452.80 : x - Step 2: Convert to fraction form
229,427.21/316,620.15 = 127,452.80/x - Step 3: Cross multiply
229,427.21x = 316,620.15 × 127,452.80 - Step 4: Simplify right side
229,427.21x = 40,354,124,653.92 - Step 5: Solve for x
x = 40,354,124,653.92/229,427.21 - Step 6: Final answer
x = 175,890.75
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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.