Finding the Fourth Proportional to 229,309.18, 316,436.09 and 127,341.18
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Solution
The fourth proportional to 229,309.18, 316,436.09 and 127,341.18 is: 175,724.95
Step by Step Solution
- Step 1: Write the proportion equation
229,309.18 : 316,436.09 = 127,341.18 : x - Step 2: Convert to fraction form
229,309.18/316,436.09 = 127,341.18/x - Step 3: Cross multiply
229,309.18x = 316,436.09 × 127,341.18 - Step 4: Simplify right side
229,309.18x = 40,295,344,458.48 - Step 5: Solve for x
x = 40,295,344,458.48/229,309.18 - Step 6: Final answer
x = 175,724.95
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1.5x scale
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.