Finding the Fourth Proportional to 265,356.18, 398,189.79 and 190,395.54
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Solution
The fourth proportional to 265,356.18, 398,189.79 and 190,395.54 is: 285,704.90
Step by Step Solution
- Step 1: Write the proportion equation
265,356.18 : 398,189.79 = 190,395.54 : x - Step 2: Convert to fraction form
265,356.18/398,189.79 = 190,395.54/x - Step 3: Cross multiply
265,356.18x = 398,189.79 × 190,395.54 - Step 4: Simplify right side
265,356.18x = 75,813,560,089.54 - Step 5: Solve for x
x = 75,813,560,089.54/265,356.18 - Step 6: Final answer
x = 285,704.90
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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.