Finding the Fourth Proportional to 135,644.24, 203,346.44 and 51,345.84
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Solution
The fourth proportional to 135,644.24, 203,346.44 and 51,345.84 is: 76,973.37
Step by Step Solution
- Step 1: Write the proportion equation
135,644.24 : 203,346.44 = 51,345.84 : x - Step 2: Convert to fraction form
135,644.24/203,346.44 = 51,345.84/x - Step 3: Cross multiply
135,644.24x = 203,346.44 × 51,345.84 - Step 4: Simplify right side
135,644.24x = 10,440,993,772.81 - Step 5: Solve for x
x = 10,440,993,772.81/135,644.24 - Step 6: Final answer
x = 76,973.37
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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.