Finding the Fourth Proportional to 335,652.12, 503,479.50 and 135,976.28
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Solution
The fourth proportional to 335,652.12, 503,479.50 and 135,976.28 is: 203,964.95
Step by Step Solution
- Step 1: Write the proportion equation
335,652.12 : 503,479.50 = 135,976.28 : x - Step 2: Convert to fraction form
335,652.12/503,479.50 = 135,976.28/x - Step 3: Cross multiply
335,652.12x = 503,479.50 × 135,976.28 - Step 4: Simplify right side
335,652.12x = 68,461,269,466.26 - Step 5: Solve for x
x = 68,461,269,466.26/335,652.12 - Step 6: Final answer
x = 203,964.95
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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.