Finding the Fourth Proportional to 178,879.05, 246,847.95 and 98,306.46
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Solution
The fourth proportional to 178,879.05, 246,847.95 and 98,306.46 is: 135,660.09
Step by Step Solution
- Step 1: Write the proportion equation
178,879.05 : 246,847.95 = 98,306.46 : x - Step 2: Convert to fraction form
178,879.05/246,847.95 = 98,306.46/x - Step 3: Cross multiply
178,879.05x = 246,847.95 × 98,306.46 - Step 4: Simplify right side
178,879.05x = 24,266,748,122.76 - Step 5: Solve for x
x = 24,266,748,122.76/178,879.05 - Step 6: Final answer
x = 135,660.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.