Finding the Fourth Proportional to 500,654.87, 751,149.97 and 163,711.07
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Solution
The fourth proportional to 500,654.87, 751,149.97 and 163,711.07 is: 245,621.42
Step by Step Solution
- Step 1: Write the proportion equation
500,654.87 : 751,149.97 = 163,711.07 : x - Step 2: Convert to fraction form
500,654.87/751,149.97 = 163,711.07/x - Step 3: Cross multiply
500,654.87x = 751,149.97 × 163,711.07 - Step 4: Simplify right side
500,654.87x = 122,971,561,154.14 - Step 5: Solve for x
x = 122,971,561,154.14/500,654.87 - Step 6: Final answer
x = 245,621.42
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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.