Finding the Fourth Proportional to 407,806.36, 562,765.26 and 226,511.08
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Solution
The fourth proportional to 407,806.36, 562,765.26 and 226,511.08 is: 312,581.12
Step by Step Solution
- Step 1: Write the proportion equation
407,806.36 : 562,765.26 = 226,511.08 : x - Step 2: Convert to fraction form
407,806.36/562,765.26 = 226,511.08/x - Step 3: Cross multiply
407,806.36x = 562,765.26 × 226,511.08 - Step 4: Simplify right side
407,806.36x = 127,472,566,829.08 - Step 5: Solve for x
x = 127,472,566,829.08/407,806.36 - Step 6: Final answer
x = 312,581.12
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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.