Finding the Fourth Proportional to 121,230.12, 181,840.93 and 36,986.88
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Solution
The fourth proportional to 121,230.12, 181,840.93 and 36,986.88 is: 55,479.02
Step by Step Solution
- Step 1: Write the proportion equation
121,230.12 : 181,840.93 = 36,986.88 : x - Step 2: Convert to fraction form
121,230.12/181,840.93 = 36,986.88/x - Step 3: Cross multiply
121,230.12x = 181,840.93 × 36,986.88 - Step 4: Simplify right side
121,230.12x = 6,725,728,657.00 - Step 5: Solve for x
x = 6,725,728,657.00/121,230.12 - Step 6: Final answer
x = 55,479.02
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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.