Finding the Fourth Proportional to 146,964.87, 202,812.80 and 83,290.77
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Solution
The fourth proportional to 146,964.87, 202,812.80 and 83,290.77 is: 114,941.98
Step by Step Solution
- Step 1: Write the proportion equation
146,964.87 : 202,812.80 = 83,290.77 : x - Step 2: Convert to fraction form
146,964.87/202,812.80 = 83,290.77/x - Step 3: Cross multiply
146,964.87x = 202,812.80 × 83,290.77 - Step 4: Simplify right side
146,964.87x = 16,892,433,861.40 - Step 5: Solve for x
x = 16,892,433,861.40/146,964.87 - Step 6: Final answer
x = 114,941.98
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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.