Finding the Fourth Proportional to 191,089.62, 263,247.84 and 133,621.47
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Solution
The fourth proportional to 191,089.62, 263,247.84 and 133,621.47 is: 184,078.88
Step by Step Solution
- Step 1: Write the proportion equation
191,089.62 : 263,247.84 = 133,621.47 : x - Step 2: Convert to fraction form
191,089.62/263,247.84 = 133,621.47/x - Step 3: Cross multiply
191,089.62x = 263,247.84 × 133,621.47 - Step 4: Simplify right side
191,089.62x = 35,175,563,355.12 - Step 5: Solve for x
x = 35,175,563,355.12/191,089.62 - Step 6: Final answer
x = 184,078.88
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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.