Finding the Fourth Proportional to 76,805.91, 115,197.93 and 24,208.56
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Solution
The fourth proportional to 76,805.91, 115,197.93 and 24,208.56 is: 36,309.39
Step by Step Solution
- Step 1: Write the proportion equation
76,805.91 : 115,197.93 = 24,208.56 : x - Step 2: Convert to fraction form
76,805.91/115,197.93 = 24,208.56/x - Step 3: Cross multiply
76,805.91x = 115,197.93 × 24,208.56 - Step 4: Simplify right side
76,805.91x = 2,788,776,000.28 - Step 5: Solve for x
x = 2,788,776,000.28/76,805.91 - Step 6: Final answer
x = 36,309.39
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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.