Finding the Fourth Proportional to 365,619.30, 548,207.52 and 239,106.84
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Solution
The fourth proportional to 365,619.30, 548,207.52 and 239,106.84 is: 358,515.45
Step by Step Solution
- Step 1: Write the proportion equation
365,619.30 : 548,207.52 = 239,106.84 : x - Step 2: Convert to fraction form
365,619.30/548,207.52 = 239,106.84/x - Step 3: Cross multiply
365,619.30x = 548,207.52 × 239,106.84 - Step 4: Simplify right side
365,619.30x = 131,080,167,771.44 - Step 5: Solve for x
x = 131,080,167,771.44/365,619.30 - Step 6: Final answer
x = 358,515.45
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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.