Finding the Fourth Proportional to 146,555.80, 219,847.62 and 39,941.08
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Solution
The fourth proportional to 146,555.80, 219,847.62 and 39,941.08 is: 59,915.41
Step by Step Solution
- Step 1: Write the proportion equation
146,555.80 : 219,847.62 = 39,941.08 : x - Step 2: Convert to fraction form
146,555.80/219,847.62 = 39,941.08/x - Step 3: Cross multiply
146,555.80x = 219,847.62 × 39,941.08 - Step 4: Simplify right side
146,555.80x = 8,780,951,378.23 - Step 5: Solve for x
x = 8,780,951,378.23/146,555.80 - Step 6: Final answer
x = 59,915.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.