Finding the Fourth Proportional to 121,580.60, 182,349.63 and 55,005.08
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Solution
The fourth proportional to 121,580.60, 182,349.63 and 55,005.08 is: 82,497.99
Step by Step Solution
- Step 1: Write the proportion equation
121,580.60 : 182,349.63 = 55,005.08 : x - Step 2: Convert to fraction form
121,580.60/182,349.63 = 55,005.08/x - Step 3: Cross multiply
121,580.60x = 182,349.63 × 55,005.08 - Step 4: Simplify right side
121,580.60x = 10,030,155,074.37 - Step 5: Solve for x
x = 10,030,155,074.37/121,580.60 - Step 6: Final answer
x = 82,497.99
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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.