Finding the Fourth Proportional to 163,117.80, 244,676.70 and 100,909.80
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Solution
The fourth proportional to 163,117.80, 244,676.70 and 100,909.80 is: 151,364.70
Step by Step Solution
- Step 1: Write the proportion equation
163,117.80 : 244,676.70 = 100,909.80 : x - Step 2: Convert to fraction form
163,117.80/244,676.70 = 100,909.80/x - Step 3: Cross multiply
163,117.80x = 244,676.70 × 100,909.80 - Step 4: Simplify right side
163,117.80x = 24,690,276,861.66 - Step 5: Solve for x
x = 24,690,276,861.66/163,117.80 - Step 6: Final answer
x = 151,364.70
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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.