Finding the Fourth Proportional to 147,493.24, 203,558.13 and 83,840.60
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Solution
The fourth proportional to 147,493.24, 203,558.13 and 83,840.60 is: 115,709.95
Step by Step Solution
- Step 1: Write the proportion equation
147,493.24 : 203,558.13 = 83,840.60 : x - Step 2: Convert to fraction form
147,493.24/203,558.13 = 83,840.60/x - Step 3: Cross multiply
147,493.24x = 203,558.13 × 83,840.60 - Step 4: Simplify right side
147,493.24x = 17,066,435,754.08 - Step 5: Solve for x
x = 17,066,435,754.08/147,493.24 - Step 6: Final answer
x = 115,709.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.