Finding the Fourth Proportional to 135,203.37, 202,509.45 and 68,529.03
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Solution
The fourth proportional to 135,203.37, 202,509.45 and 68,529.03 is: 102,643.71
Step by Step Solution
- Step 1: Write the proportion equation
135,203.37 : 202,509.45 = 68,529.03 : x - Step 2: Convert to fraction form
135,203.37/202,509.45 = 68,529.03/x - Step 3: Cross multiply
135,203.37x = 202,509.45 × 68,529.03 - Step 4: Simplify right side
135,203.37x = 13,877,776,174.33 - Step 5: Solve for x
x = 13,877,776,174.33/135,203.37 - Step 6: Final answer
x = 102,643.71
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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.