Finding the Fourth Proportional to 163,930.60, 245,895.90 and 162,701.80
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Solution
The fourth proportional to 163,930.60, 245,895.90 and 162,701.80 is: 244,052.70
Step by Step Solution
- Step 1: Write the proportion equation
163,930.60 : 245,895.90 = 162,701.80 : x - Step 2: Convert to fraction form
163,930.60/245,895.90 = 162,701.80/x - Step 3: Cross multiply
163,930.60x = 245,895.90 × 162,701.80 - Step 4: Simplify right side
163,930.60x = 40,007,705,542.62 - Step 5: Solve for x
x = 40,007,705,542.62/163,930.60 - Step 6: Final answer
x = 244,052.70
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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.