Finding the Fourth Proportional to 76,864.98, 115,300.56 and 24,274.49
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Solution
The fourth proportional to 76,864.98, 115,300.56 and 24,274.49 is: 36,412.70
Step by Step Solution
- Step 1: Write the proportion equation
76,864.98 : 115,300.56 = 24,274.49 : x - Step 2: Convert to fraction form
76,864.98/115,300.56 = 24,274.49/x - Step 3: Cross multiply
76,864.98x = 115,300.56 × 24,274.49 - Step 4: Simplify right side
76,864.98x = 2,798,861,805.24 - Step 5: Solve for x
x = 2,798,861,805.24/76,864.98 - Step 6: Final answer
x = 36,412.70
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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.