Finding the Fourth Proportional to 76,798.17, 115,197.24 and 24,211.77
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Solution
The fourth proportional to 76,798.17, 115,197.24 and 24,211.77 is: 36,317.65
Step by Step Solution
- Step 1: Write the proportion equation
76,798.17 : 115,197.24 = 24,211.77 : x - Step 2: Convert to fraction form
76,798.17/115,197.24 = 24,211.77/x - Step 3: Cross multiply
76,798.17x = 115,197.24 × 24,211.77 - Step 4: Simplify right side
76,798.17x = 2,789,129,079.51 - Step 5: Solve for x
x = 2,789,129,079.51/76,798.17 - Step 6: Final answer
x = 36,317.65
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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.