Finding the Fourth Proportional to 118,266.55, 177,455.18 and 51,698.07
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Solution
The fourth proportional to 118,266.55, 177,455.18 and 51,698.07 is: 77,571.31
Step by Step Solution
- Step 1: Write the proportion equation
118,266.55 : 177,455.18 = 51,698.07 : x - Step 2: Convert to fraction form
118,266.55/177,455.18 = 51,698.07/x - Step 3: Cross multiply
118,266.55x = 177,455.18 × 51,698.07 - Step 4: Simplify right side
118,266.55x = 9,174,090,446.75 - Step 5: Solve for x
x = 9,174,090,446.75/118,266.55 - Step 6: Final answer
x = 77,571.31
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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.