Finding the Fourth Proportional to 193,117.80, 289,676.70 and 158,125.80
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Solution
The fourth proportional to 193,117.80, 289,676.70 and 158,125.80 is: 237,188.70
Step by Step Solution
- Step 1: Write the proportion equation
193,117.80 : 289,676.70 = 158,125.80 : x - Step 2: Convert to fraction form
193,117.80/289,676.70 = 158,125.80/x - Step 3: Cross multiply
193,117.80x = 289,676.70 × 158,125.80 - Step 4: Simplify right side
193,117.80x = 45,805,359,928.86 - Step 5: Solve for x
x = 45,805,359,928.86/193,117.80 - Step 6: Final answer
x = 237,188.70
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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.