Finding the Fourth Proportional to 239,367.78, 357,586.97 and 172,234.98
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Solution
The fourth proportional to 239,367.78, 357,586.97 and 172,234.98 is: 257,298.55
Step by Step Solution
- Step 1: Write the proportion equation
239,367.78 : 357,586.97 = 172,234.98 : x - Step 2: Convert to fraction form
239,367.78/357,586.97 = 172,234.98/x - Step 3: Cross multiply
239,367.78x = 357,586.97 × 172,234.98 - Step 4: Simplify right side
239,367.78x = 61,588,983,765.04 - Step 5: Solve for x
x = 61,588,983,765.04/239,367.78 - Step 6: Final answer
x = 257,298.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.