Finding the Fourth Proportional to 118,415.82, 177,557.85 and 39,486.99
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Solution
The fourth proportional to 118,415.82, 177,557.85 and 39,486.99 is: 59,208.52
Step by Step Solution
- Step 1: Write the proportion equation
118,415.82 : 177,557.85 = 39,486.99 : x - Step 2: Convert to fraction form
118,415.82/177,557.85 = 39,486.99/x - Step 3: Cross multiply
118,415.82x = 177,557.85 × 39,486.99 - Step 4: Simplify right side
118,415.82x = 7,011,225,047.37 - Step 5: Solve for x
x = 7,011,225,047.37/118,415.82 - Step 6: Final answer
x = 59,208.52
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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.