Finding the Fourth Proportional to 191,251.70, 286,877.55 and 97,939.70
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Solution
The fourth proportional to 191,251.70, 286,877.55 and 97,939.70 is: 146,909.55
Step by Step Solution
- Step 1: Write the proportion equation
191,251.70 : 286,877.55 = 97,939.70 : x - Step 2: Convert to fraction form
191,251.70/286,877.55 = 97,939.70/x - Step 3: Cross multiply
191,251.70x = 286,877.55 × 97,939.70 - Step 4: Simplify right side
191,251.70x = 28,096,701,183.74 - Step 5: Solve for x
x = 28,096,701,183.74/191,251.70 - Step 6: Final answer
x = 146,909.55
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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.