Finding the Fourth Proportional to 178,923.96, 246,913.62 and 98,350.63
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Solution
The fourth proportional to 178,923.96, 246,913.62 and 98,350.63 is: 135,723.08
Step by Step Solution
- Step 1: Write the proportion equation
178,923.96 : 246,913.62 = 98,350.63 : x - Step 2: Convert to fraction form
178,923.96/246,913.62 = 98,350.63/x - Step 3: Cross multiply
178,923.96x = 246,913.62 × 98,350.63 - Step 4: Simplify right side
178,923.96x = 24,284,110,082.58 - Step 5: Solve for x
x = 24,284,110,082.58/178,923.96 - Step 6: Final answer
x = 135,723.08
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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.