Finding the Fourth Proportional to 229,187.98, 316,274.51 and 127,207.49
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Solution
The fourth proportional to 229,187.98, 316,274.51 and 127,207.49 is: 175,543.62
Step by Step Solution
- Step 1: Write the proportion equation
229,187.98 : 316,274.51 = 127,207.49 : x - Step 2: Convert to fraction form
229,187.98/316,274.51 = 127,207.49/x - Step 3: Cross multiply
229,187.98x = 316,274.51 × 127,207.49 - Step 4: Simplify right side
229,187.98x = 40,232,485,932.04 - Step 5: Solve for x
x = 40,232,485,932.04/229,187.98 - Step 6: Final answer
x = 175,543.62
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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.