Finding the Fourth Proportional to 118,103.60, 177,169.80 and 43,212.08
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Solution
The fourth proportional to 118,103.60, 177,169.80 and 43,212.08 is: 64,823.39
Step by Step Solution
- Step 1: Write the proportion equation
118,103.60 : 177,169.80 = 43,212.08 : x - Step 2: Convert to fraction form
118,103.60/177,169.80 = 43,212.08/x - Step 3: Cross multiply
118,103.60x = 177,169.80 × 43,212.08 - Step 4: Simplify right side
118,103.60x = 7,655,875,571.18 - Step 5: Solve for x
x = 7,655,875,571.18/118,103.60 - Step 6: Final answer
x = 64,823.39
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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.