Finding the Fourth Proportional to 407,430.37, 562,243.17 and 226,141.84
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Solution
The fourth proportional to 407,430.37, 562,243.17 and 226,141.84 is: 312,069.78
Step by Step Solution
- Step 1: Write the proportion equation
407,430.37 : 562,243.17 = 226,141.84 : x - Step 2: Convert to fraction form
407,430.37/562,243.17 = 226,141.84/x - Step 3: Cross multiply
407,430.37x = 562,243.17 × 226,141.84 - Step 4: Simplify right side
407,430.37x = 127,146,704,991.23 - Step 5: Solve for x
x = 127,146,704,991.23/407,430.37 - Step 6: Final answer
x = 312,069.78
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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.