Finding the Fourth Proportional to 146,247.08, 201,821.82 and 79,179.08
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Solution
The fourth proportional to 146,247.08, 201,821.82 and 79,179.08 is: 109,267.59
Step by Step Solution
- Step 1: Write the proportion equation
146,247.08 : 201,821.82 = 79,179.08 : x - Step 2: Convert to fraction form
146,247.08/201,821.82 = 79,179.08/x - Step 3: Cross multiply
146,247.08x = 201,821.82 × 79,179.08 - Step 4: Simplify right side
146,247.08x = 15,980,066,031.53 - Step 5: Solve for x
x = 15,980,066,031.53/146,247.08 - Step 6: Final answer
x = 109,267.59
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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.