Finding the Fourth Proportional to 293,059.08, 439,589.70 and 71,443.08
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Solution
The fourth proportional to 293,059.08, 439,589.70 and 71,443.08 is: 107,164.88
Step by Step Solution
- Step 1: Write the proportion equation
293,059.08 : 439,589.70 = 71,443.08 : x - Step 2: Convert to fraction form
293,059.08/439,589.70 = 71,443.08/x - Step 3: Cross multiply
293,059.08x = 439,589.70 × 71,443.08 - Step 4: Simplify right side
293,059.08x = 31,405,642,104.28 - Step 5: Solve for x
x = 31,405,642,104.28/293,059.08 - Step 6: Final answer
x = 107,164.88
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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.