Finding the Fourth Proportional to 355,372.60, 532,367.70 and 197,318.20
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Solution
The fourth proportional to 355,372.60, 532,367.70 and 197,318.20 is: 295,593.52
Step by Step Solution
- Step 1: Write the proportion equation
355,372.60 : 532,367.70 = 197,318.20 : x - Step 2: Convert to fraction form
355,372.60/532,367.70 = 197,318.20/x - Step 3: Cross multiply
355,372.60x = 532,367.70 × 197,318.20 - Step 4: Simplify right side
355,372.60x = 105,045,836,302.14 - Step 5: Solve for x
x = 105,045,836,302.14/355,372.60 - Step 6: Final answer
x = 295,593.52
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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.