Finding the Fourth Proportional to 176,375.76, 243,305.24 and 111,730.94
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Solution
The fourth proportional to 176,375.76, 243,305.24 and 111,730.94 is: 154,129.59
Step by Step Solution
- Step 1: Write the proportion equation
176,375.76 : 243,305.24 = 111,730.94 : x - Step 2: Convert to fraction form
176,375.76/243,305.24 = 111,730.94/x - Step 3: Cross multiply
176,375.76x = 243,305.24 × 111,730.94 - Step 4: Simplify right side
176,375.76x = 27,184,723,172.13 - Step 5: Solve for x
x = 27,184,723,172.13/176,375.76 - Step 6: Final answer
x = 154,129.59
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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.