Finding the Fourth Proportional to 177,778.06, 245,395.50 and 102,356.62
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Solution
The fourth proportional to 177,778.06, 245,395.50 and 102,356.62 is: 141,287.70
Step by Step Solution
- Step 1: Write the proportion equation
177,778.06 : 245,395.50 = 102,356.62 : x - Step 2: Convert to fraction form
177,778.06/245,395.50 = 102,356.62/x - Step 3: Cross multiply
177,778.06x = 245,395.50 × 102,356.62 - Step 4: Simplify right side
177,778.06x = 25,117,853,943.21 - Step 5: Solve for x
x = 25,117,853,943.21/177,778.06 - Step 6: Final answer
x = 141,287.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.