Finding the Fourth Proportional to 277,343.20, 415,637.88 and 117,286.12
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Solution
The fourth proportional to 277,343.20, 415,637.88 and 117,286.12 is: 175,769.78
Step by Step Solution
- Step 1: Write the proportion equation
277,343.20 : 415,637.88 = 117,286.12 : x - Step 2: Convert to fraction form
277,343.20/415,637.88 = 117,286.12/x - Step 3: Cross multiply
277,343.20x = 415,637.88 × 117,286.12 - Step 4: Simplify right side
277,343.20x = 48,748,554,270.23 - Step 5: Solve for x
x = 48,748,554,270.23/277,343.20 - Step 6: Final answer
x = 175,769.78
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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.