Finding the Fourth Proportional to 124,716.08, 187,074.48 and 31,221.74
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Solution
The fourth proportional to 124,716.08, 187,074.48 and 31,221.74 is: 46,832.70
Step by Step Solution
- Step 1: Write the proportion equation
124,716.08 : 187,074.48 = 31,221.74 : x - Step 2: Convert to fraction form
124,716.08/187,074.48 = 31,221.74/x - Step 3: Cross multiply
124,716.08x = 187,074.48 × 31,221.74 - Step 4: Simplify right side
124,716.08x = 5,840,790,775.20 - Step 5: Solve for x
x = 5,840,790,775.20/124,716.08 - Step 6: Final answer
x = 46,832.70
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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.