Finding the Fourth Proportional to 313,902.80, 470,335.80 and 267,246.80
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Solution
The fourth proportional to 313,902.80, 470,335.80 and 267,246.80 is: 400,428.85
Step by Step Solution
- Step 1: Write the proportion equation
313,902.80 : 470,335.80 = 267,246.80 : x - Step 2: Convert to fraction form
313,902.80/470,335.80 = 267,246.80/x - Step 3: Cross multiply
313,902.80x = 470,335.80 × 267,246.80 - Step 4: Simplify right side
313,902.80x = 125,695,737,475.44 - Step 5: Solve for x
x = 125,695,737,475.44/313,902.80 - Step 6: Final answer
x = 400,428.85
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1.5x scale
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.