Finding the Fourth Proportional to 77,222.08, 115,842.24 and 24,613.12
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Solution
The fourth proportional to 77,222.08, 115,842.24 and 24,613.12 is: 36,922.59
Step by Step Solution
- Step 1: Write the proportion equation
77,222.08 : 115,842.24 = 24,613.12 : x - Step 2: Convert to fraction form
77,222.08/115,842.24 = 24,613.12/x - Step 3: Cross multiply
77,222.08x = 115,842.24 × 24,613.12 - Step 4: Simplify right side
77,222.08x = 2,851,238,954.19 - Step 5: Solve for x
x = 2,851,238,954.19/77,222.08 - Step 6: Final answer
x = 36,922.59
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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.