Finding the Fourth Proportional to 236,036.07, 354,119.81 and 102,928.05
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Solution
The fourth proportional to 236,036.07, 354,119.81 and 102,928.05 is: 154,420.72
Step by Step Solution
- Step 1: Write the proportion equation
236,036.07 : 354,119.81 = 102,928.05 : x - Step 2: Convert to fraction form
236,036.07/354,119.81 = 102,928.05/x - Step 3: Cross multiply
236,036.07x = 354,119.81 × 102,928.05 - Step 4: Simplify right side
236,036.07x = 36,448,860,995.03 - Step 5: Solve for x
x = 36,448,860,995.03/236,036.07 - Step 6: Final answer
x = 154,420.72
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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.