Finding the Fourth Proportional to 439,528.68, 659,287.98 and 107,104.68
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Solution
The fourth proportional to 439,528.68, 659,287.98 and 107,104.68 is: 160,655.79
Step by Step Solution
- Step 1: Write the proportion equation
439,528.68 : 659,287.98 = 107,104.68 : x - Step 2: Convert to fraction form
439,528.68/659,287.98 = 107,104.68/x - Step 3: Cross multiply
439,528.68x = 659,287.98 × 107,104.68 - Step 4: Simplify right side
439,528.68x = 70,612,828,125.75 - Step 5: Solve for x
x = 70,612,828,125.75/439,528.68 - Step 6: Final answer
x = 160,655.79
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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.