Finding the Fourth Proportional to 357,177.80, 535,766.70 and 343,399.70
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Solution
The fourth proportional to 357,177.80, 535,766.70 and 343,399.70 is: 515,099.55
Step by Step Solution
- Step 1: Write the proportion equation
357,177.80 : 535,766.70 = 343,399.70 : x - Step 2: Convert to fraction form
357,177.80/535,766.70 = 343,399.70/x - Step 3: Cross multiply
357,177.80x = 535,766.70 × 343,399.70 - Step 4: Simplify right side
357,177.80x = 183,982,124,049.99 - Step 5: Solve for x
x = 183,982,124,049.99/357,177.80 - Step 6: Final answer
x = 515,099.55
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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.