Finding the Fourth Proportional to 338,251.06, 507,400.26 and 135,847.18
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Solution
The fourth proportional to 338,251.06, 507,400.26 and 135,847.18 is: 203,780.28
Step by Step Solution
- Step 1: Write the proportion equation
338,251.06 : 507,400.26 = 135,847.18 : x - Step 2: Convert to fraction form
338,251.06/507,400.26 = 135,847.18/x - Step 3: Cross multiply
338,251.06x = 507,400.26 × 135,847.18 - Step 4: Simplify right side
338,251.06x = 68,928,894,452.27 - Step 5: Solve for x
x = 68,928,894,452.27/338,251.06 - Step 6: Final answer
x = 203,780.28
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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.