Finding the Fourth Proportional to 275,328.06, 379,958.55 and 154,478.08
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Solution
The fourth proportional to 275,328.06, 379,958.55 and 154,478.08 is: 213,183.02
Step by Step Solution
- Step 1: Write the proportion equation
275,328.06 : 379,958.55 = 154,478.08 : x - Step 2: Convert to fraction form
275,328.06/379,958.55 = 154,478.08/x - Step 3: Cross multiply
275,328.06x = 379,958.55 × 154,478.08 - Step 4: Simplify right side
275,328.06x = 58,695,267,283.58 - Step 5: Solve for x
x = 58,695,267,283.58/275,328.06 - Step 6: Final answer
x = 213,183.02
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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.