Finding the Fourth Proportional to 208,867.68, 288,224.33 and 118,242.05
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Solution
The fourth proportional to 208,867.68, 288,224.33 and 118,242.05 is: 163,166.62
Step by Step Solution
- Step 1: Write the proportion equation
208,867.68 : 288,224.33 = 118,242.05 : x - Step 2: Convert to fraction form
208,867.68/288,224.33 = 118,242.05/x - Step 3: Cross multiply
208,867.68x = 288,224.33 × 118,242.05 - Step 4: Simplify right side
208,867.68x = 34,080,233,606.74 - Step 5: Solve for x
x = 34,080,233,606.74/208,867.68 - Step 6: Final answer
x = 163,166.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.