Finding the Fourth Proportional to 229,260.08, 316,382.64 and 127,292.12
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Solution
The fourth proportional to 229,260.08, 316,382.64 and 127,292.12 is: 175,665.20
Step by Step Solution
- Step 1: Write the proportion equation
229,260.08 : 316,382.64 = 127,292.12 : x - Step 2: Convert to fraction form
229,260.08/316,382.64 = 127,292.12/x - Step 3: Cross multiply
229,260.08x = 316,382.64 × 127,292.12 - Step 4: Simplify right side
229,260.08x = 40,273,016,976.80 - Step 5: Solve for x
x = 40,273,016,976.80/229,260.08 - Step 6: Final answer
x = 175,665.20
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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.