Finding the Fourth Proportional to 590,989.75, 886,484.65 and 147,757.75
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Solution
The fourth proportional to 590,989.75, 886,484.65 and 147,757.75 is: 221,636.63
Step by Step Solution
- Step 1: Write the proportion equation
590,989.75 : 886,484.65 = 147,757.75 : x - Step 2: Convert to fraction form
590,989.75/886,484.65 = 147,757.75/x - Step 3: Cross multiply
590,989.75x = 886,484.65 × 147,757.75 - Step 4: Simplify right side
590,989.75x = 130,984,976,554.75 - Step 5: Solve for x
x = 130,984,976,554.75/590,989.75 - Step 6: Final answer
x = 221,636.63
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Similar ratio
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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.