Finding the Fourth Proportional to 194,811.70, 292,217.55 and 70,107.70
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Solution
The fourth proportional to 194,811.70, 292,217.55 and 70,107.70 is: 105,161.55
Step by Step Solution
- Step 1: Write the proportion equation
194,811.70 : 292,217.55 = 70,107.70 : x - Step 2: Convert to fraction form
194,811.70/292,217.55 = 70,107.70/x - Step 3: Cross multiply
194,811.70x = 292,217.55 × 70,107.70 - Step 4: Simplify right side
194,811.70x = 20,486,700,330.14 - Step 5: Solve for x
x = 20,486,700,330.14/194,811.70 - Step 6: Final answer
x = 105,161.55
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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.