Finding the Fourth Proportional to 261,770.08, 392,632.44 and 161,945.68
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Solution
The fourth proportional to 261,770.08, 392,632.44 and 161,945.68 is: 242,904.49
Step by Step Solution
- Step 1: Write the proportion equation
261,770.08 : 392,632.44 = 161,945.68 : x - Step 2: Convert to fraction form
261,770.08/392,632.44 = 161,945.68/x - Step 3: Cross multiply
261,770.08x = 392,632.44 × 161,945.68 - Step 4: Simplify right side
261,770.08x = 63,585,127,485.86 - Step 5: Solve for x
x = 63,585,127,485.86/261,770.08 - Step 6: Final answer
x = 242,904.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.