Finding the Fourth Proportional to 208,845.68, 288,202.74 and 118,200.02
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Solution
The fourth proportional to 208,845.68, 288,202.74 and 118,200.02 is: 163,113.59
Step by Step Solution
- Step 1: Write the proportion equation
208,845.68 : 288,202.74 = 118,200.02 : x - Step 2: Convert to fraction form
208,845.68/288,202.74 = 118,200.02/x - Step 3: Cross multiply
208,845.68x = 288,202.74 × 118,200.02 - Step 4: Simplify right side
208,845.68x = 34,065,569,632.05 - Step 5: Solve for x
x = 34,065,569,632.05/208,845.68 - Step 6: Final answer
x = 163,113.59
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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.