Finding the Fourth Proportional to 229,294.64, 316,422.12 and 127,314.84
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Solution
The fourth proportional to 229,294.64, 316,422.12 and 127,314.84 is: 175,691.99
Step by Step Solution
- Step 1: Write the proportion equation
229,294.64 : 316,422.12 = 127,314.84 : x - Step 2: Convert to fraction form
229,294.64/316,422.12 = 127,314.84/x - Step 3: Cross multiply
229,294.64x = 316,422.12 × 127,314.84 - Step 4: Simplify right side
229,294.64x = 40,285,231,580.26 - Step 5: Solve for x
x = 40,285,231,580.26/229,294.64 - Step 6: Final answer
x = 175,691.99
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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.