Finding the Fourth Proportional to 312,202.14, 430,838.92 and 168,962.21
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Solution
The fourth proportional to 312,202.14, 430,838.92 and 168,962.21 is: 233,167.83
Step by Step Solution
- Step 1: Write the proportion equation
312,202.14 : 430,838.92 = 168,962.21 : x - Step 2: Convert to fraction form
312,202.14/430,838.92 = 168,962.21/x - Step 3: Cross multiply
312,202.14x = 430,838.92 × 168,962.21 - Step 4: Simplify right side
312,202.14x = 72,795,496,077.21 - Step 5: Solve for x
x = 72,795,496,077.21/312,202.14 - Step 6: Final answer
x = 233,167.83
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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.