Finding the Fourth Proportional to 118,603.36, 177,855.84 and 43,727.76
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Solution
The fourth proportional to 118,603.36, 177,855.84 and 43,727.76 is: 65,573.50
Step by Step Solution
- Step 1: Write the proportion equation
118,603.36 : 177,855.84 = 43,727.76 : x - Step 2: Convert to fraction form
118,603.36/177,855.84 = 43,727.76/x - Step 3: Cross multiply
118,603.36x = 177,855.84 × 43,727.76 - Step 4: Simplify right side
118,603.36x = 7,777,237,486.12 - Step 5: Solve for x
x = 7,777,237,486.12/118,603.36 - Step 6: Final answer
x = 65,573.50
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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.