Finding the Fourth Proportional to 245,125.80, 367,688.70 and 231,347.70
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Solution
The fourth proportional to 245,125.80, 367,688.70 and 231,347.70 is: 347,021.55
Step by Step Solution
- Step 1: Write the proportion equation
245,125.80 : 367,688.70 = 231,347.70 : x - Step 2: Convert to fraction form
245,125.80/367,688.70 = 231,347.70/x - Step 3: Cross multiply
245,125.80x = 367,688.70 × 231,347.70 - Step 4: Simplify right side
245,125.80x = 85,063,935,060.99 - Step 5: Solve for x
x = 85,063,935,060.99/245,125.80 - Step 6: Final answer
x = 347,021.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.