Finding the Fourth Proportional to 118,188.57, 177,284.40 and 39,302.79
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Solution
The fourth proportional to 118,188.57, 177,284.40 and 39,302.79 is: 58,954.70
Step by Step Solution
- Step 1: Write the proportion equation
118,188.57 : 177,284.40 = 39,302.79 : x - Step 2: Convert to fraction form
118,188.57/177,284.40 = 39,302.79/x - Step 3: Cross multiply
118,188.57x = 177,284.40 × 39,302.79 - Step 4: Simplify right side
118,188.57x = 6,967,771,543.48 - Step 5: Solve for x
x = 6,967,771,543.48/118,188.57 - Step 6: Final answer
x = 58,954.70
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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.