Finding the Fourth Proportional to 226,952.34, 312,518.07 and 221,917.14
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Solution
The fourth proportional to 226,952.34, 312,518.07 and 221,917.14 is: 305,584.50
Step by Step Solution
- Step 1: Write the proportion equation
226,952.34 : 312,518.07 = 221,917.14 : x - Step 2: Convert to fraction form
226,952.34/312,518.07 = 221,917.14/x - Step 3: Cross multiply
226,952.34x = 312,518.07 × 221,917.14 - Step 4: Simplify right side
226,952.34x = 69,353,116,292.72 - Step 5: Solve for x
x = 69,353,116,292.72/226,952.34 - Step 6: Final answer
x = 305,584.50
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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.