Finding the Fourth Proportional to 118,415.04, 177,634.56 and 39,529.92
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Solution
The fourth proportional to 118,415.04, 177,634.56 and 39,529.92 is: 59,298.89
Step by Step Solution
- Step 1: Write the proportion equation
118,415.04 : 177,634.56 = 39,529.92 : x - Step 2: Convert to fraction form
118,415.04/177,634.56 = 39,529.92/x - Step 3: Cross multiply
118,415.04x = 177,634.56 × 39,529.92 - Step 4: Simplify right side
118,415.04x = 7,021,879,946.04 - Step 5: Solve for x
x = 7,021,879,946.04/118,415.04 - Step 6: Final answer
x = 59,298.89
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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.