Finding the Fourth Proportional to 290,529.08, 400,930.36 and 163,204.76
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Solution
The fourth proportional to 290,529.08, 400,930.36 and 163,204.76 is: 225,222.70
Step by Step Solution
- Step 1: Write the proportion equation
290,529.08 : 400,930.36 = 163,204.76 : x - Step 2: Convert to fraction form
290,529.08/400,930.36 = 163,204.76/x - Step 3: Cross multiply
290,529.08x = 400,930.36 × 163,204.76 - Step 4: Simplify right side
290,529.08x = 65,433,743,180.51 - Step 5: Solve for x
x = 65,433,743,180.51/290,529.08 - Step 6: Final answer
x = 225,222.70
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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.