Finding the Fourth Proportional to 176,247.36, 243,217.48 and 99,764.94
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Solution
The fourth proportional to 176,247.36, 243,217.48 and 99,764.94 is: 137,673.42
Step by Step Solution
- Step 1: Write the proportion equation
176,247.36 : 243,217.48 = 99,764.94 : x - Step 2: Convert to fraction form
176,247.36/243,217.48 = 99,764.94/x - Step 3: Cross multiply
176,247.36x = 243,217.48 × 99,764.94 - Step 4: Simplify right side
176,247.36x = 24,264,577,299.15 - Step 5: Solve for x
x = 24,264,577,299.15/176,247.36 - Step 6: Final answer
x = 137,673.42
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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.