Finding the Fourth Proportional to 407,888.99, 562,976.85 and 226,663.23
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Solution
The fourth proportional to 407,888.99, 562,976.85 and 226,663.23 is: 312,845.30
Step by Step Solution
- Step 1: Write the proportion equation
407,888.99 : 562,976.85 = 226,663.23 : x - Step 2: Convert to fraction form
407,888.99/562,976.85 = 226,663.23/x - Step 3: Cross multiply
407,888.99x = 562,976.85 × 226,663.23 - Step 4: Simplify right side
407,888.99x = 127,606,151,236.23 - Step 5: Solve for x
x = 127,606,151,236.23/407,888.99 - Step 6: Final answer
x = 312,845.30
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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.