Finding the Fourth Proportional to 135,243.29, 202,928.74 and 60,356.77
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Solution
The fourth proportional to 135,243.29, 202,928.74 and 60,356.77 is: 90,563.62
Step by Step Solution
- Step 1: Write the proportion equation
135,243.29 : 202,928.74 = 60,356.77 : x - Step 2: Convert to fraction form
135,243.29/202,928.74 = 60,356.77/x - Step 3: Cross multiply
135,243.29x = 202,928.74 × 60,356.77 - Step 4: Simplify right side
135,243.29x = 12,248,122,628.36 - Step 5: Solve for x
x = 12,248,122,628.36/135,243.29 - Step 6: Final answer
x = 90,563.62
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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.