Finding the Fourth Proportional to 341,937.20, 512,905.80 and 307,722.80
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Solution
The fourth proportional to 341,937.20, 512,905.80 and 307,722.80 is: 461,584.20
Step by Step Solution
- Step 1: Write the proportion equation
341,937.20 : 512,905.80 = 307,722.80 : x - Step 2: Convert to fraction form
341,937.20/512,905.80 = 307,722.80/x - Step 3: Cross multiply
341,937.20x = 512,905.80 × 307,722.80 - Step 4: Simplify right side
341,937.20x = 157,832,808,912.24 - Step 5: Solve for x
x = 157,832,808,912.24/341,937.20 - Step 6: Final answer
x = 461,584.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.