Finding the Fourth Proportional to 313,793.90, 433,038.21 and 170,553.91
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Solution
The fourth proportional to 313,793.90, 433,038.21 and 170,553.91 is: 235,365.82
Step by Step Solution
- Step 1: Write the proportion equation
313,793.90 : 433,038.21 = 170,553.91 : x - Step 2: Convert to fraction form
313,793.90/433,038.21 = 170,553.91/x - Step 3: Cross multiply
313,793.90x = 433,038.21 × 170,553.91 - Step 4: Simplify right side
313,793.90x = 73,856,357,729.71 - Step 5: Solve for x
x = 73,856,357,729.71/313,793.90 - Step 6: Final answer
x = 235,365.82
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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.