Finding the Fourth Proportional to 229,292.88, 316,439.68 and 127,330.08
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Solution
The fourth proportional to 229,292.88, 316,439.68 and 127,330.08 is: 175,724.12
Step by Step Solution
- Step 1: Write the proportion equation
229,292.88 : 316,439.68 = 127,330.08 : x - Step 2: Convert to fraction form
229,292.88/316,439.68 = 127,330.08/x - Step 3: Cross multiply
229,292.88x = 316,439.68 × 127,330.08 - Step 4: Simplify right side
229,292.88x = 40,292,289,769.57 - Step 5: Solve for x
x = 40,292,289,769.57/229,292.88 - Step 6: Final answer
x = 175,724.12
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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.