Finding the Fourth Proportional to 313,633.08, 432,818.28 and 170,395.92
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Solution
The fourth proportional to 313,633.08, 432,818.28 and 170,395.92 is: 235,148.88
Step by Step Solution
- Step 1: Write the proportion equation
313,633.08 : 432,818.28 = 170,395.92 : x - Step 2: Convert to fraction form
313,633.08/432,818.28 = 170,395.92/x - Step 3: Cross multiply
313,633.08x = 432,818.28 × 170,395.92 - Step 4: Simplify right side
313,633.08x = 73,750,469,013.42 - Step 5: Solve for x
x = 73,750,469,013.42/313,633.08 - Step 6: Final answer
x = 235,148.88
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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.