Finding the Fourth Proportional to 118,220.64, 177,231.16 and 55,008.08
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Solution
The fourth proportional to 118,220.64, 177,231.16 and 55,008.08 is: 82,465.68
Step by Step Solution
- Step 1: Write the proportion equation
118,220.64 : 177,231.16 = 55,008.08 : x - Step 2: Convert to fraction form
118,220.64/177,231.16 = 55,008.08/x - Step 3: Cross multiply
118,220.64x = 177,231.16 × 55,008.08 - Step 4: Simplify right side
118,220.64x = 9,749,145,827.77 - Step 5: Solve for x
x = 9,749,145,827.77/118,220.64 - Step 6: Final answer
x = 82,465.68
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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.